1)  Move to control panel and turnoff windows firewall.
2)  Open the downloaded file click on the Microsoft windows 8 activator (All Editor).
3) After extracting software click on Windows 8 Install/Uninstall option in the top.
4) Then follow the instruction and Click 'Y' to continue.
5) Restart the computer.
6) Don't install windows update.

Enjoy the full version windows 8.

Click on the link to download : Windows 8 Activator