These are the minimum system requirements for installing Windows 11 on a PC. If your device does not meet these requirements, you may not be able to install Windows 11 on your device.

Processor : 1 gigahertz (GHz) or faster with 2 or more cores on a compatible 64-bit processor
RAM : 4 gigabyte (GB).
Storage: 64 GB or larger storage device
System firmware: UEFI, Secure Boot capable. Check here for information on how your PC might be able to meet this requirement.
Graphics card: Compatible with DirectX 12 or later with WDDM 2.0 driver.
Display: High definition (720p) display that is greater than 9” diagonally, 8 bits per color channel.
Internet connection and Microsoft account