How can I know if my computer can run 64 bit vista?
This is the recommended system for a 64 bit vista: Minimum: 800 MHz 32-bit (x86) or 64-bit (x64) CPU 512 MB of system memory – RAM (Only 64 MB can be used for Integrated UMA Graphics Memory) 20 GB hard disk with 15 GB of free hard disk space Super VGA (800 x 600) graphics card Internal or external CD-ROM drive Keyboard and Microsoft Mouse or compatible pointing device Maximum: 2 Physical CPUs (Multi-Core + Hyper-threading supported) 4 GB of system memory – RAM with 32-bit (x86) CPU 128 GB of system memory – RAM with 64-bit (x64) CPU 10 Simultaneous Peer Network Connections 5 Media Center Extender Sessions Recommended: 1 GHz 32-bit (x86) or 64-bit (x64) CPU 1 GB of system memory – RAM (Only 256 MB can be used for Integrated UMA Graphics Memory) 40 GB hard disk with 15 GB of free hard disk space 128 MB Windows Aero-capable DirectX 9-class graphics card Internal or external DVD-ROM drive Keyboard and Microsoft Mouse or compatible pointing device Internet access capability Audio output cap