I want to upgrade a desktop PC with an Asus A8V motherboard running 32-bit Windows XP SP3 to the 64-bit version of Windows 7 Home Premium

PROBLEM: My 8-year¬old desktop PC uses an Asus A8V Deluxe motherboard, a 2.2GHz AMD Athlon 64 3000 processor and Windows XP Home SP3. I want to upgrade to Windows 7 Home Premium. Microsoft’s Upgrade Advisor advised to do a custom installation of the 32-bit version. However, I believe my motherboard and processor support 64-bit Windows.…