Here is the information you need to download the ISO directly from Microsoft.
Please note that direct download links may change over time. I've provided the official links above. If you still want to use a direct link, you can try: windows 10 pro 21h2 iso download 64bit link
Before diving into the download process, it's essential to understand what Windows 10 Pro 21H2 offers. Released in October 2021, the 21H2 update focuses on enhancing existing features, improving performance, and providing a more secure experience. Key updates include improvements to the Start menu, better support for multiple monitors, and enhanced security features. For users seeking to perform a clean installation or upgrade their existing system, having a Windows 10 Pro 21H2 ISO file is indispensable. Here is the information you need to download