windows 8.1 pre activated
there is win 8.1 activated you don't have to worry about the product key and you don't have to if there is me:) just install it and give a better look to your pc.http://www.mediafire.com/download/0nhw6zvofmr9zlu/Win81AIO-20in1-x64-en-US-Dec2013.iso if you don't know how to install it just comment and i will tell u step by step.
there is some steps to install win 8.1
1. get a 8gb pendrive and need a bootable software (if you don't have a bootable software just click on this link http://www.mediafire.com/download/z8kqla0j866ms8l/Windows8.exe
2. now open the software and click browse and find the windows 8.1 iso file and then click next
3. now choose your USB device carefully and the click next
4. and start if its ask for format the USB device so click on yes
5. when its over restart your pc and when its start just click on F2 or F12 for boot option
and give first priority to usb device.
6. then save changes and exit
