Microsoft recommends installing both a free HEIF image addition, and a HEVC video addition which costs around 1 dollar. I have installed both (and payed for the HEVC addition), but it still does not work for 10-bit HIF files produced by my Canon Eos ...
I bought the HEVC extension from Microsoft but it does not seem to change the behavior for .HIF files. I tried renaming them to .HEIF but no change. That the Windows 11 standard image viewer should support HIF files is a minimum requirement I think. ...