1. Go to archive.org downloader GitHub Page [ Ссылка ]
2. Scroll down and look to the right side of the screen to the Releases tab
3. Click on what has the (Latest) tag. It should be the only one showing.
4. Left-Click on the .crx file under the Assets category
5. Save it to an easily locatable place (desktop, for example)
6. In the Vivaldi browser, put it into focus by left clicking somewhere within it and then press the key-combination CTRL, then Shift, and finally E altogether. CTRL + SHIFT + E
7. Enable the Developer Mode
8. Locate to your save location, and drag and drop the file onto the main section of the page
9. Allow the extension into your browser
