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Hi, I'd like to know if it's possible to install both 32- and 64-bit versions of XP on the same disk, separate partitions. Which of them should I install first if I were to choose to do so? And, about how much space should I make for the Windows installments? I'm planning to install and store every other possible thing to a 3rd or 4th partition. How much programs/drivers/ other random stuff will I have to install to the same partition as the XP installment(s)? If I install for example a game while working on the other XP, how can I have it marked/merged into the other XP's registry?

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Bump. Quite a few of views, no replies. Just try to answer any question I asked, all help would be greatly appreciated.

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Bump again. Ohmigosh how flooded this section is. I'm on page 4 after a day or so :O

[Wanderer2]

Q1. yes its possible
Q2. 32 than 64
Q3. 10-20 gig is fine. I prefer 20
Q4. not sure what you are asking. 64bit is very different then 32bit version.
Q5. no there is no registry merging. You have to install the apps/games on each version. Before wasting you time installing on 64bit make sure the app/game is supported on 64bit.

[BG-0]

Thanks a lot! I guess I'll mark this solved as you answered quite thoroughly my questions. Hope everything was supported on the 64, so I could use all the RAM on my to-be computer on all apps.