If you want to run Windows 8 on your PC, here’s what it takes:

• Processor: 1 gigahertz (GHz) or faster with support for PAE, NX, and SSE2 (more info)
• RAM: 1 gigabyte (GB) (32-bit) or 2 GB (64-bit)
• Hard disk space: 16 GB (32-bit) or 20 GB (64-bit)
• Graphics card: Microsoft DirectX 9 graphics device with WDDM driver

Additional requirements to use certain features:

• To use touch, you need a tablet or a monitor that supports multitouch (more info)
• To access the Windows Store and to download and run apps, you need an active Internet connection and a screen resolution of at least 1024 x 768
• To snap apps, you need a screen resolution of at least 1366 x 768
• Internet access (ISP fees might apply)
• Secure boot requires firmware that supports UEFI v2.3.1 Errata B and has the Microsoft Windows Certification Authority in the UEFI signature database
• Some games and programs might require a graphics card compatible with DirectX 10 or higher for optimal performance
• Microsoft account required for some features
• Watching DVDs requires separate playback software (more info)
• Windows Media Center license sold separately (more info)
• BitLocker To Go requires a USB flash drive (Windows 8 Pro only)
• BitLocker requires either Trusted Platform Module (TPM) 1.2 or a USB flash drive (Windows 8 Pro only)
• Client Hyper-V requires a 64-bit system with second level address translation (SLAT) capabilities and additional 2 GB of RAM (Windows 8 Pro only)
• A TV tuner is required to play and record live TV in Windows Media Center (Windows 8 Pro Pack and Windows 8 Media Center Pack only)
• Free Internet TV content varies by geography, some content might require additional fees (Windows 8 Pro Pack and Windows 8 Media Center Pack only)

To check if your PC meets these requirements, you can run the Upgrade Assistant.