After way too much hunting, here’s the working solution:
Hey everyone,
The R.A.T. 5 stores settings onboard, so once you configure it, you can uninstall the software and it’ll remember everything. mad catz rat 5 software
If the official archive ever goes down, I’ve got a clean copy saved – feel free to DM me (no weird links, just Google Drive). After way too much hunting, here’s the working