The is a specialized version of the operating system designed specifically for IT professionals and developers to test features in a controlled environment. Unlike the standard Home or Pro editions, this evaluation copy is fully functional for exactly 90 days before requiring a reset or a transition to a licensed version. Where to Download the Official ISO
To ensure security and stability, you should only download the Windows 10 evaluation ISO from official Microsoft sources. Download Windows 10 Disc Image (ISO File) - Microsoft