After that, you can’t download any file in your Edge browser. If you want to revert the change and download files, double-click on the DownloadRestrictions DWORD Value and set the Value data as 0.

Windows Defender setting In Windows Defender, you can also change Edge's SmartScreen to merely warn you when you are about to download a file it deems suspicious instead of it outright blocking it.

If Microsoft Edge won't let you download a file you know is fine, use this guide to bypass the SmartScreen Filter in Windows 10.