How to remove Windows XP
To remove Windows XP, follow these steps:
1. Restart your computer in Safe mode. To do this, press the F8 key while Windows is starting.
2. Log on with an account that has administrative credentials.
3. Click Start, click Control Panel, and then double-click Add or Remove Programs.
4. In the list of installed programs, double-click Uninstall Windows XP.
Note If Uninstall Windows XP is not in the list of installed programs, you must manually reinstall Windows 98 or Windows Millennium Edition. In this case, make sure that you back up all your critical data before you reinstall Windows 98 or Windows Millennium Edition.
5. When you receive the following message, click Yes to start the Windows XP removal:
Are you sure you want to uninstall Windows XP and restore your previous operating system?
6. After Windows XP is removed, your computer restarts to the previously-installed operating system.
To install Windows XP, follow these steps:
1. Start your computer, and then insert the Windows XP CD into the CD or DVD drive.
2. If Windows automatically detects the CD, click Install Windows to start the Windows XP Setup Wizard.
If Windows does not automatically detect the CD, click Start, click Run, type the following command, and then click OK:
CD drive letter:\setup.exe
3. When you are prompted to select an installation type, select Upgrade (the default setting), and then click Next.
4. Follow the instructions on the screen to complete the upgrade.