Dec 24, · Also, there is no 16 bit subsystem in Windows 7 64 bit, which means, your applications must be 32 bit only, not 16 bit installer or uninstallers. Also, if you decide to move to Windows 7 64 bit in the future, there is no upgrade path from 32 bit Windows, clean install only. Oct 30, · In addition, because bit Windows 7 supports more physical RAM than bit Windows 7 (GB on non-Home versions vs. 4GB for any bit flavor), you can easily expand your PC’s capabilities.
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