New PC windows 8.1

Get the product key:
http://www.isunshare.com/product-key-finder/find-product-key-for-windows-8-or-8.1.html

Default antivirus for windows 8.1:(Windows Defender)

http://windows.microsoft.com/en-in/windows/using-defender#1TC=windows-7
http://windows.microsoft.com/en-in/windows/turn-windows-defender-on-off#turn-windows-defender-on-off=windows-7
To remove: http://www.sysprobs.com/how-to-remove-windows-defender-on-windows-8-1-windows-8
Install: https://www.avast.com/index
Avast key for 26 years: W3083976R9962A0912-ZZT6LA5J
If the trial version is going to expire: http://peterbestel.com/help/how-to-re-register-avast-free-anti-virus/

User accounts:
http://windows.microsoft.com/en-in/windows/turn-user-account-control-on-off#1TC=windows-7
http://windows.microsoft.com/en-in/windows/create-user-account#create-user-account=windows-7
http://www.softwareok.com/?seite=faq-Windows-8&faq=57

Exporting contacts:
http://answers.microsoft.com/en-us/mobiledevices/wiki/mdlumia-mdtips/how-to-export-contacts-from-windows-phone-to-pc/e6f8292c-8081-45d6-a40d-7ff2337b8a41

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