Select “Windows 11 (multi-edition ISO for x64 devices)” → choose language → download the 64-bit ISO.
📥 https://www.microsoft.com/software-download/windows11 windows 11 21h1 iso download 64-bit
🔹 21H2 (Build 22000) 🔹 Architecture: 64-bit only 🔹 Source: Microsoft official Select “Windows 11 (multi-edition ISO for x64 devices)”