Here's is apart from what Endoavor wrote in the windows 8 forum:

I did adjust it for Windows10

Instructions how to install WinMail to 10:
Take ownership of winmail folder ( if you use windows...

Hi my name is René,

Glad to see that i am not the only one with the same question. I used "Windows Mail"in windows 7 with the same steps as above and that worked like a charm. Now followed the...