Click the menu button (⋮) in the upper-right corner of your browser and select "Extensions", "Manage Extensions", or a similar option depending on your browser.

On the Extensions page, toggle the "Developer mode" switch in the upper-right corner to turn it on.

Drag the downloaded extension ZIP file into the Extensions page. Your browser will automatically detect it and prompt you to complete the installation.

Click the extensions button in the upper-right corner of the browser, find the SnapAny extension in the list, and click the "Pin" icon to keep it visible on the toolbar.
