Here is a readme that says you can use this to install a 64 bit BIOS while on a 32 bit OS. So I would upgrade the BIOS, then add RAM, then upgrade the OS. (I would have stayed with a 32 bit OS so I ...
The BIOS (Basic Input/Output System) on your PC controls fundamental operations, such as guiding the computer on how to boot up and managing communication between the operating system and hardware. On ...