Quote Originally Posted by bkjohns View Post
I could be wrong on this, but to keep your version 12 you need to select a custom directory when installing or it will overwrite the existing version.
since this release is a new version: 15 - it should now install as before without the need for a custom directory to preserve your existing 12

[versions 13 and 14 appear to have gone the way of windows 9 - never let out into the wild ]