Answer #1

If you entered a wrong Windows 7 serial key, you can change it in order to pass Validation.

Here’s how:

Method 1
1. Open control Panel -> Select System
2. In the System Window, after fully loaded, scroll down, and in the right-hand side, at the bottom, in the “Windows activation” section click on Change product key link.
3. In the newly popped-out window, enter the new serial, and click next.
4. Done!

Method 2
1. Start Button -> type cmd
2. A search will get as the first hit “cmd.exe”.
3. Right-click the CMD.exe file and select Run As Administrator.
4. In the CMD window, type: slmgr.vbs -ipk <new_product_key_without_these_brackets>
5. To activate windows after changing the key, type: slmgr.vbs -ato
6. Done!

Answered By: dan [ ]