Always download and run latest and newer version of the game!
The best option for Linux, Windows and macOS.
The zip archives provides te Unvanquished Launcher for Linux, Windows and macOS.
Just run the launcher and the game will always be up-to-date, downloading updates if they are any, or running the game otherwise. The launcher also sets up proper integration with the desktop, to be able to join games from links on web pages or in chat!
The Unvanquished launcher is the best way to run the Unvanquished game. 👍️