How to activate my operating system (windows 7)
Do you have trouble in your operating system Windows 7 and want to know how to activate it? Get the answers here.
I am using windows 7 professional operating system. From few days it is showing a message to activate windows. I am seeing a black screen on my desktop. Though I changed the wallpaper after some time it is again showing the black screen. Please, any of the expert from this site help me how to activate windows.