(Samuel said)
It's likely the new proprietary Adobe form. If that's the case, you can only use the Adobe app on Windows, or possibly Mac or Android.
Thank-you, Samuel.
Oh, one of thoose files.
It it available for windows-7? Is it free?
I used to have acroread? reader? on my windows box. But when they removed user control of patching and updating, I un-installed it. Does this new app allow me easy control over patching and updating?
If that new app passes all those tests, then what's it called?