R75

It has unofficial VIA support and violates the QMK GPL license. The code available is only for the wired-only version. The reason people are downvoting is that the company uses open source resources and doesn't give anything back. According to the QMK, Royal Kludge license compliance status is: "PRs

LOL These are all Legacy boards so they use the terrible legacy Royal Kludge driver, so long as you don't care too much about key positions and the function layer and using the keyboard on anything but a Windows box, it's probably not an issue, but if you ever want to do anything interesting in the

flash/mod my Royal Kludge 60% without spending money? no its is not an open source brand u can only remap with the software provided . u can look up open source kb design they usually provide all the info u would need buy a printed pcb and then pay a 3rd party to print the case this guide will help

Sounds like the crazy default layout Royal Kludge uses on the RK61. If that's the case, and it's the new QMK-based RK61, I have a whole github subtree on how to program mod-tap arrows on 60% keyboards. https://github.com/ArgentStonecutter/keyboards/tree/main/layouts mod-tap arrows are amazing.