ACTIVATING WINDOWS Vista, 7, 8, 8.1, 10
Tool needed: click here to download
KMSAuto Net - automatic KMS-activator for operating systems 
Windows VL editions: Vista, 7, 8, 8.1, 10.
Step 1: Run "KMSAuto Net" as Administrator and click yes when a message prompt pop up on                your screen. Close "Read me" dialog if seen.
Step 2: check if the windows is activated or not activated from the blue coloured area of the new                KMSAuto Net pop up window.
Step 3: Click on "ACTIVATION" from the KMSAuto Net window pop up.
Step 4: Click on "Windows" to start activation process
Step 5:  When done, Activation Successful displays at the blue cloured area of KMSAuto Net           
             window with a message pop up dialog. click on cancel and close all window then restart your              device.