As you know, the installer is not optimized for standard users #1216, and finally, I found out that I can use the Scoop manager package. This package manager installs all apps without administrator access. (Unlike the Chocolatey)
scoop install extras/imageglass
Now the ImageGlass app is installed and works without problems, but the File Type Associations section still requires admin access!

File association in the app should work without admin access because my choice should not affect the choice of other users.
Also, file association per machine can give a bad performance to other users if ImageGlass is installed only for the current user because other users do not have access to this user's files and the app does not run.
File association can only be done for one user, see the 7-zip as an example app:

My English is poor and this text is translated, if you don't understand something, ask.
As you know, the installer is not optimized for standard users #1216, and finally, I found out that I can use the Scoop manager package. This package manager installs all apps without administrator access. (Unlike the Chocolatey)
scoop install extras/imageglassNow the ImageGlass app is installed and works without problems, but the File Type Associations section still requires admin access!
File association in the app should work without admin access because my choice should not affect the choice of other users.
Also, file association per machine can give a bad performance to other users if ImageGlass is installed only for the current user because other users do not have access to this user's files and the app does not run.
File association can only be done for one user, see the 7-zip as an example app:
My English is poor and this text is translated, if you don't understand something, ask.