It is not signed by Microsoft. You are trusting a single developer. Pros: It works, and it is famous enough that some tech experts audit it.

The safest way to get Windows 10 is directly from Microsoft. The Media Creation Tool automatically downloads the files in an optimized, compressed format called an file, which is significantly smaller than a standard ISO. Go to the official Microsoft Windows 10 Download page . Click Download tool now .

If you specifically need an ISO file: