Step 1. Download and unzip the "CSS Scan Pro.zip" file from your Gumroad's receipt or library.
Inside it, you'll find the files README, Chrome.url, Firefox.xpi, and a .dmg file:
Step 2. Open the .dmg file (named as CSS Scan Pro + version number).dmg
Step 3. Drag and drop the application to your Mac's Applications folder:
Step 4. locate the application via Launchpad or in your Applications folder and click to open it:
Step 5. Follow the application steps to install CSS Scan Pro on your Safari:
Here's a video tutorial:
🎉 Done! Your license is now activated, and you can use CSS Scan Pro anywhere else.
The extension will not ask for your license again (unless deactivated or disabled).
To manage your license activations in the future, use the My License page.