32-Bit Or 64-Bit Processor? : Which Should You Choose
Adam Demasi on X: "Windows 11 works on my Athlon 64 X2, the first dual-core CPU, and follow-up to the first x86_64 CPU. Just need to bypass the installer checks. This CPU
Athlon II X2 - AMD - WikiChip
Athlon 64 - Wikipedia
AMD Athlon 64 X2 microprocessor family
AMD Athlon 64 - CPU MUSEUM - MUSEUM OF MICROPROCESSORS & DIE PHOTOGRAPHY