Change Desktop File Icon from Thumbnail to PDF Icon

[#1]

PDF files on my desktop are showing the thumbnail of the PDF instead of the icon. I want it to show the Adobe PDF icon instead. How do i fix this? Example explained in the attached.

[#2 · Accepted solution]

It's a Windows setting and has nothing to do with Adobe Reader in particular. See here: 

https://answers.microsoft.com/en-us/windows/forum/all/windows-10-thumbnail-previews/45c3f7c0-a243-45...