Windows 7 system requirements
If you want to run Windows 7 on your PC, here's what it takes:
1 gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64) processor
1 gigabyte (GB) RAM (32-bit) or 2 GB RAM (64-bit)
16 GB available hard disk space (32-bit) or 20 GB (64-bit)
DirectX 9 graphics device with WDDM 1.0 or higher driver
Additional requirements to use certain features:
Internet access (fees may apply)
Depending on resolution, video playback may require additional memory and advanced graphics hardware
Some games and programs might require a graphics card compatible with DirectX 10 or higher for optimal performance
For some Windows Media Center functionality a TV tuner and additional hardware may be required
Windows Touch and Tablet PCs require specific hardware
HomeGroup requires a network and PCs running Windows 7
DVD/CD authoring requires a compatible optical drive
BitLocker requires Trusted Platform Module (TPM) 1.2
BitLocker To Go requires a USB flash drive
Windows XP Mode requires an additional 1 GB of RAM and an additional 15 GB of available hard disk space.
Music and sound require audio output
Product functionality and graphics may vary based on your system configuration. Some features may require advanced or additional hardware.
PCs with multi-core processors:
Windows 7 was designed to work with today's multi-core processors. All 32-bit versions of Windows 7 can support up to 32 processor cores, while 64‑bit versions can support up to 256 processor cores.
PCs with multiple processors (CPUs):
Commercial servers, workstations, and other high-end PCs may have more than one physical processor. Windows 7 Professional, Enterprise, and Ultimate allow for two physical processors, providing the best performance on these computers. Windows 7 Starter, Home Basic, and Home Premium will recognize only one physical processor.
en_windows_7_starter_with_sp1_x86_dvd_u_678562
CRC32:C810B42C
MD5:C23C9CECEE7E3093ACFE00FAAB7091B5
SHA-1: E1653B111C4C6FD75B1BE8F9B4C9BCBB0B39B209
en_windows_7_home_basic_with_sp1_x86_dvd_u_676470
CRC32:E8C2AD67
MD5:0BFF99C8310BA12A9136E3D23606F3D4
SHA-1: D89937DF3A9BC2EC1A1486195FD308CD3DADE928
en_windows_7_home_premium_with_sp1_x86_dvd_u_676701
CRC32: E8C2AD67
MD5: 0BFF99C8310BA12A9136E3D23606F3D4
SHA-1: 89937DF3A9BC2EC1A1486195FD308CD3DADE928
en_windows_7_professional_with_sp1_vl_build_x86_dvd_u_677896
CRC32: B028749
MD5: F55D3916622DD4125BE6336876559690
SHA-1: 5BD65E1B326D728F4FD146878EE0D9A3DA85075
en_windows_7_professional_with_sp1_x86_dvd_u_677056
CRC32: E8C2AD67
MD5: 0BFF99C8310BA12A9136E3D23606F3D4
SHA-1: 89937DF3A9BC2EC1A1486195FD308CD3DADE928
en_windows_7_ultimate_with_sp1_x86_dvd_u_677460
CRC32: 35511F11
MD5: 2572274E6B0ACF4ED1B502B175F2C2DB
SHA-1: 65FCE0F445D9BF7E78E43F17E441E08C63722657
en_windows_7_enterprise_with_sp1_x86_dvd_u_677710
CRC32: E3586659
MD5 : 6044BE7093FB2737DB63D340A1B2A03
SHA-1: 4E0450AC73AB6F9F755EB422990CD9C7A1F3509C