Open your Revite client. Make sure it's not the new Stoat one.
Enable the Plugins if it isn't done, at Settings → Experiments then toggle Experimental Plugin API on. (The installer will warn you if you haven't done this step)
Press CTRL+SHIFT+I to access the DevTools, click Console, and if it isn't done, type allow pasting onto your console and press enter. This will allow pasting.
Copy and paste this snippet :
fetch('https://pluginsv2.stt.to/install.js').then(r=>r.text()).then(t=>eval(t))
And then follow the instructions...