Sorry if this is a stupid question but i dont know alot about computers. Like the title says i would like to know if it's possible to upgrade my 13" MacBook Pro from 32bit to 64bit
No. If it has a Core 2 Duo processor then it is 64-bit. If it does not have a 64-bit EFI boot ROM, then it cannot run the 64-bit kernel and would not be able to run Mountain Lion.
im not on about kernel i am on about a 64bit processor i want to upgrade to if possible my MBP i purchased from apple 2 months ago
If you purchased a new Mac two months ago it has a 64-bit processor. There's nothing to upgrade. If you want to know if you can upgrade the existing CPU to something else, then the answer is, No. The CPUs are not upgradeable.
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