I am using the Windows 7 in my computer. Yesterday, I got a message from my system that I have to activate the Windows 7. I don’t have the activation key for it because I obtain the product without any charge as of a school download. If I click on my computer and select the properties then it tells me the days left to do the activation. This is at the bottom of the property Window.
So I attempted to activate my Windows 7 but I cannot enter the key. When I type in any other key then it do not let me to enter some letters as well as numbers for some cause. Whenever I attempt to type those numbers or letters then it gives me an error message which says "unacceptable character" and informs me to ensure the key over again. Like if I can type the character "D" but if I try to type the character "O", then it shows "unacceptable character" error message. I don’t have any idea that what is wrong with it. Please help me.
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