Step 1:
Open Computer > Edit > Preferences > Behavior > Executable Text Files > Select "Run executable text files when they are opened"
Step 2:
Open Properties of *file executable as program* > Permissions > Execute: Select "Allow executing file as program"
Example: Krita App Image.
Krita Desktop | Krita
Open Computer > Edit > Preferences > Behavior > Executable Text Files > Select "Run executable text files when they are opened"
Step 2:
Open Properties of *file executable as program* > Permissions > Execute: Select "Allow executing file as program"
Example: Krita App Image.
Krita Desktop | Krita