Comment by ValdikSS

Windows 10 support is out of the box, I explicitly checked that in one of "I hate WebP" argument

>I've opened both .webp and .avif on Windows 10 22H2 in Standard MS "Photos", "MS Paint", "Paint 3D" applications before posting the previous message.

>Just tested in older Windows 10 21H2, and yes, in this version Paint doens't open webp