: Your desktop background turns black every 60 minutes [28, 30].
If you choose not to activate Windows 7, you'll still be able to use it, but with some limitations: windows 7 activate
: You lose access to the "Aero Glass" visual theme and some optional updates [18, 30]. Security Warning : Your desktop background turns black every 60
Windows 7 requires activation to verify that your copy of Windows is genuine and has been purchased or obtained legally. Activation helps prevent software piracy and ensures that you have a legitimate copy of the operating system. windows 7 activate