Did you upgrade from Windows 8 or install new? New installs of Windows 10 or upgrades from 7 won't have it installed. I'm talking about Reader btw, which would

Did you upgrade from Windows 8 or install new? New installs of Windows 10 or upgrades from 7 won't have it installed. I'm talking about Reader btw, which would be analogous to macOS's Preview. Edge is like Firefox with PDF.js. Reader works better than PDF.js too.