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How to i change from 32 bit to 64 bit on athlon x2 64 bit

Forum CPU & Components : CPUs - How to i change from 32 bit to 64 bit on athlon x2 64 bit

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hi my computer runs on athlon X2 64 bit. it uses windows vista and at startup i had to chose which i wanted to use : 32 bit or 64 bit. i chose 32 bit and now i have programs that i can only use with 64 bit. i was wondering how to change to 64 bit. please help.

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It's not like you can just switch it with a check box. You are going to have to re-install Vista, but this time you need to install the 64-bit version. The 64-bit version of Vista is a different OS than the 32-bit version of Vista.

Message edited by megamanx00 on 09-27-2009 at 12:53:56 AM

You need to reinstall 64 bit if thats what you like.

@ Megan man, some discs have both versions. 32 and 64.

Reply to daship

Be aware there is no direct upgrade from a 32 bit OS to a 64 bit OS.
You must do complete reinstall from scratch.

Reply to jitpublisher

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Tom's Hardware > Forum > CPU & Components > CPUs > How to i change from 32 bit to 64 bit on athlon x2 64 bit

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How to i change from 32 bit to 64 bit on athlon x2 64 bit

Forum CPU & Components : CPUs - How to i change from 32 bit to 64 bit on athlon x2 64 bit