While the Jagex Launcher isn't natively supported on Linux, some players have been able to install the Launcher by utilising community projects and emulation technology such as Wine.
If you're interested in using the Jagex Launcher on Linux, there are community projects available that you can try such as:
- TormStorm's jagex-launcher-linux project on GitHub
- This Reddit thread in r/2007scape discusses the process
- A YouTube guide by c00k
Jagex is not responsible for the maintenance and safety of content produced and hosted by third parties and any use of third-party sites is at your own risk.