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32 bit upgrade to Win 7 64?
1st. Can I upgrade (clean install) from either XP or Vista 32 bit system to Windows 7 64?
2nd. If the answer to 1st is yes... If the Win 7 64 bit gives too much trouble, will I be able to reinstall and go with Win 7 32 bit.
I believe the future is going to be 64 but I've never used the 64 bit and really don't know what to expect or how smooth the transition will be. Any thoughts or advice???