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How to restore a Windows 7-based computer to a previous Windows installation by using the Windows.old folder
Describes how to restore a previous Windows installation by using the Windows.old folder after you install Windows 7. This article assumes that you did not format the hard disk partition before you installed Windows 7.
Windows 7 system requirements - Microsoft Windows
Check out the system requirements to see if your PC can run Windows 7.
Installing Windows on a netbook - Microsoft Windows
Learn how to install Windows on a netbook.
Install, upgrade, &activate - Microsoft Windows Help
Get help with installing, upgrading, and activating Windows, including info about product keys, registration, and transferring files.
how to remove windows and install linux ?
I couldn't use my Windows 7 system anymore because spyware / adware kept interrupting me, and I couldn't remove it without paying $100 to upgrade antivirus and spyware, so I decided to install Linux