How to Install Update And Uninstall Windows 7

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Installing and reinstalling Windows

Upgrading to Windows 7. Choose Upgrade to keep your files, settings, and programs from your current version of Windows, and if your current version of Windows can be upgraded. If your version of Windows can't be upgraded, you need to choose Custom.
Installing a custom version of Windows. Choose Custom to completely replace your current operating system, or to install Windows on a specific drive or partition that you select. You can also use Custom if your computer does not have an operating system, or if you want to set up a multiboot system on your computer. For more information about setting up a multiboot system, see Install more than one operating system (multiboot).
Reinstalling Windows 7. Choose this option if you want to restore default Windows settings or if you are having trouble with Windows and need to reinstall it by performing a custom installation.

During the installation process, you need:
The Windows installation disc.
Your product key. You can find your product key on your computer or on the installation disc holder inside the Windows package. A product key sticker looks similar to this:

PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX

Go to the Microsoft website to see examples of product key stickers.
Your computer name, if your computer is currently connected to a network.

You also need to decide whether to install a 32-bit or 64-bit version of Windows 7. For help deciding, see 32-bit and 64-bit Windows: frequently asked questions.

Before you begin, to save time and help you avoid problems during installation:
Update your antivirus program, run it, and then disable it. After you install Windows, remember to reenable the antivirus program, or install new antivirus software that works with Windows 7.
Back up your files. You can back up files to an external hard disk, a DVD or CD, or a network folder. For more information about backing up your files, search for "back up" in Help and Support.
Connect to the Internet. Make sure your Internet connection is working so that you can get the latest installation updates. These updates include security updates and hardware driver updates that can help with installation. If you don't have an Internet connection, you can still upgrade or install Windows.

To upgrade to Windows 7

When you upgrade to Windows 7, you keep your files, settings, and programs from your current version of Windows.

Note
If you use a fingerprint reader or other biometric device to log on to your computer, make sure you write down your password before upgrading. You must log on by typing your user name and password the first time that you use Windows after upgrading.
Turn on your computer so that Windows starts normally. (To perform an upgrade, you cannot start, or “boot,” your computer from the Windows 7 upgrade disc. )
Insert the Windows installation disc into your computer's DVD or CD drive.
On the Install Windows page, click Install now.
On the Get important updates for installation page, we recommend getting the latest updates to help ensure a successful installation and to help protect your computer against security threats. You need an Internet connection to get installation updates.
On the Please read the license terms page, if you accept the license terms, click I accept the license terms.
On the Which type of installation do you want? page, click Upgrade to begin the upgrade. You might see a compatibility report.

Which type of installation do you want? page
Follow the instructions.

To install Windows by performing a custom installation

When you choose Custom, you install a new copy of Windows on the partition you select. This erases your programs and settings.

Back up any files and settings you want to keep so that you can restore them after the installation. You must manually reinstall your programs when the installation is done. For information about how to restore your files after a clean installation, go to How to restore your personal files after you perform a custom installation online.
Turn on your computer, insert the Windows installation disc into the computer's DVD or CD drive, and then do one of the following:
If your computer already has an operating system installed and you want to replace it with Windows 7, and you don't want to change any partitions, go to step 2.
If your computer doesn't have an operating system installed or if you want to create, extend, delete, or format partitions, you need to restart your computer with the installation disc inserted in your CD or DVD drive. This causes your computer to start (or "boot") from the installation CD or DVD. If you are asked to press a key to boot from DVD or CD, press any key. If the Install Windows page appears, go to step 2.

If the Install Windows page doesn't appear and you're not asked to press a key to start from DVD or CD, you might have to specify that your computer use its DVD or CD drive as the startup device. To do this, you need to change settings in the computer's basic input/output system (BIOS). To learn how to do this, see Start Windows from a CD or DVD. After you select your DVD or CD drive as the startup device, restart your computer, and then start Windows from the installation DVD or CD as previously described.
On the Install Windows page, follow any instructions that are displayed, and then click Install now.
On the Get important updates for installation page, we recommend getting the latest updates to help ensure a successful installation and to help protect your computer against security threats. You need an Internet connection to get installation updates.
On the Please read the license terms page, if you accept the license terms, click I accept the license terms.
On the Which type of installation do you want? page, click Custom.
On the Where do you want to install Windows? page, do one of the following:
If you don't want to specify a specific partition to install Windows on, or create partitions on your hard disk, click Next to begin the installation.
If you already have another existing partition with enough free space and want to have more than one operating system on the same computer, you can install Windows on that partition. This is called a dual-boot or multiboot configuration. (If you do this, be sure to install Windows on a different partition from the partition where your current version of Windows is installed.) Select the partition you want to use, and then click Next to begin the installation.
If you want to create, extend, delete, or format a partition, click Drive options (advanced), click the option you want, and then follow the instructions. Click Next to begin the installation. (If the Drive options (advanced) option is disabled, you need to start your computer using the installation disc.)
Follow the instructions.

Note
If you delete or format a partition that contains a version of Windows, all data on the partition is permanently deleted. However, if there is an existing copy of Windows on the partition you selected, but you do not format or delete the partition, user files are saved to a Windows.old folder on the partition, which you can browse to after the installation completes. However, you should still back up your user files before performing a custom installation. For example, if you have encrypted files, you might not be able to access them after installing Windows. If you’ve backed up your user files and then restored them after installing Windows, you can delete the Windows.old folder.

To reinstall Windows 7

If you want to reinstall Windows 7 by performing a custom installation—possibly to restore the default Windows settings—here's how to do it.

If Windows is able to run, you can reinstall Windows using Recovery in Control Panel, under Advanced recovery methods. This method reinstalls Windows, either from a recovery image provided by your computer manufacturer, or from the original Windows installation files. You need to reinstall all of the programs that you added, and restore all of your files from a backup. For more information, see Choosing an advanced recovery method.

If Windows cannot run at all, you can reinstall Windows using the original installation disc.

Warning
Back up your files before you begin reinstalling Windows if possible, even if you're reinstalling Windows on a hard disk partition, and you have personal files on a separate partition. For example, if you have encrypted files, you might not be able to access them after reinstalling Windows. A custom installation replaces the current version of Windows and all personal files.
Turn on your computer and insert the Windows 7 DVD or CD.
On the Install Windows page, follow any instructions that might appear, and then click Install now.
On the Get important updates for installation page, we recommend getting the latest updates to help ensure a successful installation and to help protect your computer against security threats. You need an Internet connection to get installation updates.
On the Please read the license terms page, if you accept the license terms, click I accept the license terms.
Follow the instructions on each page. On the Which type of installation do you want? page, click Custom.
On the Where do you want to install Windows? page, select the partition where you want to install Windows.
Click Next to begin the installation.
Follow the instructions.

How to Install multiboot operating system in windows 7

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If you are new in windows 7 and not sure how to dual boot or keep more than one operating system.don;t worry,it is very easy in windows 7.just follow these instructions.

When you install a new version of Windows, you can keep an older version of Windows on your computer. This is called a multiboot or dual-boot configuration. Whenever you start your computer, you can choose which version of Windows to run. For more information, see Can I have more than one operating system on my computer (multiboot)?

A multiboot disk configuration

Multibooting requires separate partitions on your computer's hard disk for each operating system. If you're running Windows Vista, you can shrink an existing partition to create additional unallocated space from which to create a new partition. For more information, see Can I repartition my hard disk?

If you're running a version of Windows earlier than Windows Vista and need to create another partition, use a third-party partitioning program. Several third-party manufacturers offer programs that allow you to repartition your hard disk without erasing data.

remember

You must install the oldest operating system first, and then install the more recent operating system. If you don't (for example, you install Windows Vista on a computer already running Windows 7), you can render your system inoperable. This can happen because earlier versions of Windows don't recognize the startup files used in more recent versions of Windows and can overwrite them.
Make sure that the partition or disk where you plan to install the new version of Windows is formatted with the NTFS file system. If you are formatting an existing partition that has data on it, all of the data will be deleted. To create and format a partition, see Create and format a hard disk partition.

To install Windows on a separate partition or hard disk

Before installing Windows, be sure to disable all antivirus software and back up your files to an external hard disk, a CD, a DVD, a USB flash drive, or a network folder.
Turn on the computer running your current edition of Windows, and then insert the installation disc into the computer's CD or DVD drive. (You need to be running Windows to perform this procedure; do not restart your computer using the installation disc.)
On the Install Windows menu, click Install now.
On the Get important updates for installation page, we recommend getting the latest updates to help ensure a successful installation and to help protect your computer against security threats. You must be connected to the Internet to receive installation updates. This page might not appear if your computer is not connected to the Internet.
On the Please read the license terms page, if you accept the license terms, click I accept the license terms.
On the Which type of installation do you want? page, click Custom.
On the Where do you want to install Windows page, select the partition or disk where you want to install the new Windows operating system. Be sure to install Windows on a different partition from the partition where your current version of Windows is installed.
Click Next to begin the installation. You might see a compatibility report.

How to Share documents, music, photos, and other files In windows 7

If you're new to file sharing, this article is intended to help you understand why it's useful and—broadly—how it works in Windows 7. For step-by-step instructions, see Share files with someone.

Windows 7 makes it easier than ever to share documents, music, photos, and other files with people at home or at the office.

Introducing homegroups: easy sharing at home

The easiest way to share files on a home network is to create or join a homegroup. What's a homegroup? It's a collection of PCs that share pictures, music, videos, documents, and even printers. A computer must be running Windows 7 to participate in a homegroup.

When setting up or joining a homegroup, you tell Windows which folders or libraries to share—and which to leave private. Windows then works behind the scenes to toggle between the appropriate settings. Other people can't change the files you share unless you give them permission. You can also protect your homegroup with a password, which you can change at any time.

Homegroups are available in all Windows 7 editions. However, in the Home Basic and Starter editions, you can only join a homegroup, not create one. Computers that belong to a domain can join a homegroup, but they can't share files. They can only access files shared by others.

Sharing with everybody, somebody—or nobody

Homegroups offer a fast and convenient way to automatically share music, pictures, and more. But what about files and folders that aren't automatically shared? Or what do you do when you're at the office?

That's where the new Share with menu comes in.

Share with menu

Using the Share with menu, you can select individual files and folders and share them with others. The options you'll see in the menu depend on what type of item you've selected and what type of network your computer is connected to. (Not sure? For more information, see What is the difference between a domain, a workgroup, and a homegroup?)

The most common menu options are:
Nobody. This option makes an item private so only you have access.
Homegroup (Read). This option makes an item available to your homegroup with read-only permission.
Homegroup (Read/Write). This option makes an item available to your homegroup with read/write permission.
Specific people. This options opens the File Sharing wizard, so you can choose particular people to share with.

The purpose of permissions

Notice that in Windows you can decide not only who gets to see a file, but what recipients can do with it. These are called sharing permissions. You have two options:
Read. The "look, don't touch" option. Recipients can open, but not modify or delete a file.
Read/Write. The "do anything" option. Recipients can open, modify, or delete a file.

What have I shared?

In Windows 7, it's easy to tell what's shared and what's not by looking at the details pane in Windows Explorer. (To open Windows Explorer, click the Start button , and then click your user name.)

Just click a file or folder. The details pane at the bottom of the window will show you whether it's shared and who it's shared with.

Windows Explorer shows you files you've shared—and files others have shared with you.

The alternative: Public folder sharing

The Share with menu offers the simplest and easiest way to share things in Windows 7. But there's another option: Public folders.

Think of these folders like drop boxes; when you copy a file or folder into one, you make that file or folder immediately available to other users on your computer or people on your network.

You'll find a Public folder located in each of your libraries. Examples include Public Documents, Public Music, Public Pictures, and Public Videos. Public folder sharing is turned off by default, except on a homegroup. For instructions about turning it on, see Share files with someone.

Public folders are included in Windows libraries.

You might be wondering: Why use the Public folders at all?

The Public folders are handy if you want to temporarily share a document or other file with several people. It's also a handy way to keep track of what you're sharing with others; if it's in the folder, it's shared.

The downside? You can't restrict people to just seeing some files in the Public folder. It's all or nothing. Also, you can't fine-tune permissions. But if these aren't important considerations, then Public folders offer a convenient, alternative way to share.

How to Back up your programs, system settings, files and files In windows 7

You can create a system image, which contains a copy of Windows and copies of your programs, system settings, and files. The system image is then stored in a separate location from the original programs, settings, and files. You can use this image to restore the contents of your computer if your hard disk or entire computer ever stops working.

If you're using Windows Backup to back up your files, you can have a system image created each time your files are backed up. By default, this system image will only include the drives required for Windows to run. To include additional drives in the system image or to create a system image manually, follow the steps below. For information about system images, see What is a system image?

Remember 

To create a system image of a drive, it must be formatted to use the NTFS file system. The drive that you're saving the backup on must also be formatted to use the NTFS file system. For more information about NTFS, see Convert a hard disk or partition to NTFS format.
Click to open Backup and Restore.
In the left pane, click Create a system image, and then follow the steps in the wizard. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.

Keeping different versions of system images

If you're saving your system images on an internal or external drive, or on CDs or DVDs, you can keep several versions of system images. On internal and external hard drives, older system images will be deleted when the drive runs out of space. To help conserve disk space, you can manually delete older system images. For more information, see What backup settings should I use to maximize my disk space?

If you're saving your system images in a network location, you can only keep the most current system image for each computer. System images are saved in the format of drive\WindowsImageBackup\computer name\. If you have an existing system image for a computer and are creating a new one for the same computer, the new system image will overwrite the existing one. If you want to keep the existing system image, you can copy it to a different location before creating the new system image by following these steps:
Navigate to the location of the system image.
Copy the WindowsImageBackup folder to a new location.

How to Windows installs or notifies you about updates In Windows 7

You can set Windows to automatically install important and recommended updates or to install important updates only. Important updates provide significant benefits, such as improved security and reliability. Recommended updates can address noncritical problems and help enhance your computing experience. Optional updates are not downloaded or installed automatically. To learn more about the types of updates that Microsoft publishes, go to this Knowledge Base article on the Microsoft Help and Support website.

If you don't want updates to be installed automatically, you can choose to be notified when updates apply to your computer instead. Then, you can download and install them yourself, or you can set Windows to automatically download updates, and then notify you so you can install them yourself. Here's how to change how Windows installs or notifies you about updates:
Click to open Windows Update.
In the left pane, click Change settings.
Under Important updates, click one of the following:
Install updates automatically (recommended)
Download updates but let me choose whether to install them
Check for updates but let me choose whether to download and install them
Never check for updates (not recommended)
To schedule your automatic updates, next to Install new updates, select the day and time you want updates to occur.

To get recommended updates for your computer, under Recommended updates, select the Give me recommended updates the same way I receive important updates check box.
To allow anyone using the computer to make updates, select the Allow all users to install updates on this computer check box. This applies only to updates and software that are installed manually; automatic updates will be installed regardless of the user.
Click OK. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.

Important

If your computer is in hibernation at a scheduled time, installation will begin immediately the next time you start your computer. You will receive a message that asks you if you want to postpone the installation. Click the message and follow the instructions to set how long you want Windows to wait.
If you turn off automatic updating, make sure you check for new updates regularly. For more information, see Install Windows updates.

Microsoft offers an extension to Windows Update called Microsoft Update. This service allows you to get updates for other Microsoft products, as well as receive notices of new Microsoft software that you can download and install for free. Here's how to get updates and notices about new software:
Click to open Windows Update.
If you've never checked for updates before, in the left pane, click Check for updates. Wait for Windows Update to finish checking for updates.
In the Windows Update dialog box, click Find out more under Get updates for other Microsoft products. Follow the steps on the screen to start using Microsoft Update.
In the left pane, click Change settings.
Under Microsoft Update, select the Give me updates for Microsoft products and check for new optional Microsoft software when I update Windows check box.
To get notifications of new Microsoft software, select the Show me detailed notifications when new Microsoft software is available check box.
Click OK. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.