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No, it's not possible. You're going to have to back up any important data and do a clean install. 32-bit and 64-bit are entirely different architectures, hence why you can't simply upgrade from one to the other.

Honestly though, doing a clean install is always the best plan of action. Using the "upgrade" option is often times messy, and can create program issues.
 
No, it's not possible. You're going to have to back up any important data and do a clean install. 32-bit and 64-bit are entirely different architectures, hence why you can't simply upgrade from one to the other.

Honestly though, doing a clean install is always the best plan of action. Using the "upgrade" option is often times messy, and can create program issues.
i dont have many programs to begin with (mostly freeware) so i wouldnt even have to do a backup... but your saying that i could use the upgrade version if i wiped my partition of my mac hard drive because i have no problems with that
 
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