Updating...why two or more versions for most apps?

[stephenw58833638]

Updating CC on my desktop.  Why two and sometimes three versions of the softwares....Premiere Pro, Premiere pro v 14.0, Premiere Pro v 12.11....ditto for photoshop and some others.  Why?  

[John Waller]

See similar question answered here:

https://community.adobe.com/t5/photoshop/multiple-copies-of-adobe-apps/m-p/10723460#M276153