You have to download the nightly build I linked. You need a github account and then download the windows file at the very bottom.
Then do the manual installation steps
Song information plugin for obs-studio. Contribute to univrsal/tuna development by creating an account on GitHub.
- Open your obs-studio installation folder (eg. Right click on the shortcut and click "Open file location")
- Navigate two directories up
- Drop the contents (data and obs-plugins) in the directory
- Merge the files
- Tuna should now show up in the tools menu of obs-studio