Right Click on MY COMPUTER to check Windows Activation Status.
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Method for Windows Activation
1. Uninstall the update KB971033
How to find KB971033 file?
Open Control Panal>Programs
Click on View installed updates (Programs and Feature 
In Search bar type KB971033
Uninstall the KB971033
2. Disable/Uninstall the antivirus , you can enable/disable it later after activator has been run.(As the activator is an illegal file, your antivirus can detect it as a virus and may block it, so disable antivirus, run the activator and then enable your antivirus)
3. Run the activator removewat.exe
Click on Remove WAT Button
and wait for few seconds.
Now Again Right Click on MY COMPUTER and check the Status.
Download RemoveWAT.exe From Here
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