How to install two versions of software under Windows 10? [duplicate]

Solution 1:

Best bet would be to install into different directories which you mentioned didn't work. It could be because there are registry entries that he installer references. You could try doing searches for the folder name and see what comes up in regedit.exe. You could also try using one of these tools: https://www.raymond.cc/blog/tracking-registry-and-files-changes-when-installing-software-in-windows/ to track the entry changes to make sure you catch them all.

Other than that setting up a virtual machine is your best bet.

If you require Windows, you may need to buy another license key or use a free beta release for temporary use.

Solution 2:

  • Install the old version.
  • Find the program folder (probably somewhere in C:\Program Files or C:\Program Files (x86)) and copy it somewhere else.
  • Install the new version.
  • Try to run the old version from the folder you copied it to.

This will work if the installation is "basic" and just copies files in a folder and creates shortcuts.

When you try and tell us what errors you get (if any) we can see if there's a way to make it work.