Windows 7
System requirements
System requirements
-------------------

| \+Minimum hardware requirements for Windows 7 |
| --- |
| Component | Operating system architecture | |
| 32\-bit | 64\-bit |
| [Processor](/wiki/Central_processing_unit "Central processing unit") | 1 GHz [IA\-32](/wiki/IA-32 "IA-32") processor Support for [SSE2](/wiki/SSE2 "SSE2") required after March 2018 cumulative update | 1 GHz [x86\-64](/wiki/X86-64 "X86-64") processor |
| [Memory (RAM)](/wiki/Random_Access_Memory "Random Access Memory") | 1 GB | 2 GB |
| [Graphics card](/wiki/Graphics_card "Graphics card") | [DirectX 9](/wiki/DirectX_9 "DirectX 9") graphics processor with [WDDM](/wiki/Windows_Display_Driver_Model "Windows Display Driver Model") driver model 1\.0 | |
| Storage space | 16 GB | 20 GB |
| Installation media | [DVD drive](/wiki/DVD "DVD") or [USB drive](/wiki/USB_flash_drive "USB flash drive") | |

**Additional requirements to use certain features:**
* [Windows XP Mode](/wiki/Windows_XP_Mode "Windows XP Mode") (Professional, Ultimate and Enterprise): Requires an additional 1 GB of RAM and additional 15 GB of available hard disk space. The requirement for a processor capable of [hardware virtualization](/wiki/X86_virtualization "X86 virtualization") has been lifted.
* [Windows Media Center](/wiki/Windows_Media_Center "Windows Media Center") (included in Home Premium, Professional, Ultimate and Enterprise), requires a [TV tuner](/wiki/TV_tuner_card "TV tuner card") to receive and record TV.


How much RAM memory is required to run a 32-bit or 64-bit version of Windows 7?