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I recently installed a brand new 64 bit processor into my system (very happy about it), but I have a 32 bit operating system.

I want to run 64 bit games, but I don't know if I need to upgrade my OS as well.

I'd also like to know if I can allocate higher amounts of RAM to run other, also RAM/CPU intensive games.

Thanks!

  • You will need to upgrade your OS to 64-bit to take advantage of your 64-bit processor. As for the RAM, you may want to look up Physical Address Extension, assuming you do not upgrade your OS to 64-bit. – Chris Powell Mar 29 '16 at 19:02
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    If you want to run 64-bit programs why did you install a 32-bit operating system? The same license for Windows 7 can be used for 32-bit or 64-bit installation. This is different then Windows XP where there were specific individual versions (Windows XP (32-bit) and Windows XP 64-bit Edition). The maximum amount of memory a 32-bit version of Windows can allocate is 4 GB. If you want to allocate more then that then install a 64-bit operating system. – Ramhound Mar 29 '16 at 19:04
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no you can't run 64-bit applications on a 32-bit OS.

The issue is not the processor but the OS itself

You would have to REINSTALL 64-bit OS, it's not an upgrade but a reinstall.

Recommendation : Before you jump into switching the OS please check support matrix of the game you are using and see which versions of the OS are supported.

How to Upgrade 32 bit to 64 bit in Windows 7 - YouTube

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Yes No, you need to upgrade the OS to 64-bit

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