Windows 10: Recover windows

My pc is a Toshiba Satellite. I recently made a system restore point after i had unistalled fifa 14 which left the windows defender completely unavailaible and now my windows 10 is showing a bluescreen unable to logon to desktop even f8 key is disabled, i have installed windows 8.1 but it has chosen windows 10 as default startup i cannot revert the changes since windows 10 cant make an automatic repair or system recovery. Wat should i do

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windows xp installation and dual core am

could someone please list the steps they follow to install windows with a dual core processor and windows xp service pack to. I'm reletively new to amd dual core and i feel i'm missing a step. All help will be appreciated. thanx

 

Need to recover files from my Memory card

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Unlocked Realtek HD Audio Drivers Windows 7 & 8 (With Dolby Digital Live and DTS Interactive)

DTS supported natively by Windows 8/8.1 and it should work on windows 10 too just DDL require to unlock your driver .