Hi,
Requirements
- Windows, MacOS or Linux
- Blender 2.83 (LTS), Blender 2.92 (stable)
Experimental Builds
Experimental Blender builds are not supported, and fixing any issues related to them, will not be a priority, but reporting them is still encouraged.
Since you bought this Addon, the best is to ask the question directly to the author of this addon …
https://machin3.io/DECALmachine/docs/faq/#get-support
Then there is a follow-up regarding unique DecalMachine:
DECALmachine