Microsoft requires for Windows 11 version 22H2, 23H2, and 24H2. Older Ryzen 1000 (Zen 1) and certain Athlon/Opteron chips are officially unsupported .
| Family | Reason for exclusion | |--------|----------------------| | (Zen 1) | No POPCNT instruction? No — actually they have POPCNT, but missing SSE 4.2? Wait — they have SSE 4.2. The real reason: Microsoft requires POPCNT and SSE 4.2 (Ryzen 1000 has both). So why unsupported? Arbitrary cutoff — security features like MBEC (Mode-Based Execution Control) are missing. | | Ryzen 2000G (some early Bristol Ridge APUs) | Older Excavator core (pre-Zen) — no MBEC | | AMD FX / A-Series (Bulldozer) | No SSE 4.2, no POPCNT? Actually FX has POPCNT but no MBEC, no TPM 2.0 support without add-on module. | | Opteron / Athlon 64 X2 | No POPCNT, no SSE 4.2 | windows 11 cpu compatibility list amd
Windows 11 officially supports AMD Ryzen processors starting from 2nd generation (Zen+) and newer. Microsoft Community Hub Windows® 11 Performance Variation in Certain Applications ... Windows® 11 Performance Variation in Certain Applications on Compatible AMD Processors. Windows® 11 Performance Variation in Certa... AMD Check if a device meets Windows 11 system requirements after ... The easiest way to see if a device meets the requirements for Windows 11 after making hardware changes to the device is with the P... Microsoft Support Windows 11 Supported CPU List Changes - Microsoft Q&A Table_title: Windows 11 Supported CPU List Changes Table_content: header: | AMD | Ryzen Threadripper | 2920X | row: | AMD: AMD | R... Microsoft Learn Windows 11 update solves AMD GPU issues in several games - OC3D Dec 9, 2025 — Microsoft requires for Windows 11 version 22H2, 23H2,
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The official primarily includes processors from the Ryzen 2000 series (Zen+) and newer . While Microsoft maintains a strict baseline for security and reliability, nearly all modern AMD chips released since 2018 are supported. Officially Supported AMD Processor Series No — actually they have POPCNT, but missing SSE 4