This plugin already comes bundled in the OBS Studio Full Installer. You do not need to install this manually unless you did not install it via the Full installer.
It is installed by default. It is called Browser now on the source list.having the same issue and i reinstalled already. 'BrowserSource' not an option. I also tried manually installing the plugin above and this didn't work. BrowserSource no longer looks like it is an option when downloading OBS Studio:
View attachment 43460
It is installed by default. It is called Browser now on the source list.
Well what shouldn't be turned off? Rich?Browser source is an option when installing OBS Studio. Make sure you didn't turn it off. Otherwise, it's probably being blocked or removed by over-zealous antivirus software.