Yes, it fully supports Windows 11.

The Ryzen 5 3600 is on Microsoft’s official supported CPU list for Windows 11. However, there are two critical BIOS settings you need to enable before upgrading:

Even though the CPU is supported, your computer may still fail the "PC Health Check" if certain settings are disabled in your motherboard's BIOS. To run Windows 11, ensure the following are active:

Most motherboards (B450, B550, X570) have these features. If you’re getting a “This PC can’t run Windows 11” error, simply enable these two options in your BIOS and you’re good to go.

Even though the CPU is supported, many users find Windows 11 refuses to install. This is almost always because the motherboard security features are disabled by default.

The is officially supported by Windows 11 . While it is a common point of confusion for PC builders, this processor meets all of Microsoft’s security and performance standards for the newer operating system. Official Compatibility Status