- What is the max RAM a 32 bit process can access in a 64bit OS? It is 2 gigs or full 4 gigs?
- Is there a way to make it access more maybe by enabling PAE on process level?
Most applications will only have access to 2Gb when running on WOW64, however if the 32 bit application has the
See this article for more details.
A 32bit process on a 64Bit OS can address a full 4 gigs of memory. Sorry I don't have any links to back this up but prior to doing IT I ran a graphics department doing 3d animation and compositing and ran many 32bit processes on 64bit OS's.