Because of the overloaded Microsoft servers it can be hard to get a valid key. To get a valid key the fastest just follow these simple steps :
Step 1 : Logon to http://technet.microsoft.com (click on Sign in in the upper right corner)
Step 2 : Copy (Don’t CLICK IT!) one of the links below to the address bar and press enter :
32-Bit key : https://www.microsoft.com/betaexperience/scripts/gcs.aspx?Product=tn-win7-32-ww&LCID=1033 (don’t click, Copy and Paste!)
64-bit key : https://www.microsoft.com/betaexperience/scripts/gcs.aspx?Product=tn-win7-64-ww&LCID=1033 (don’t click, Copy and Paste!)
Step 3 : If you receive the error below, just press F5 to refresh, if you’re being redirected then you didn’t follow the steps 1 and 2 correctly!