SelectString

1. Open Dalamud settings using /xlsettings.
2. Go to the Experimental tab.
3. Under Custom Plugin Repositories make sure one of the following URls is added.
   • The root plugin list URL (adds every plugin available on the list):
     
   • The direct plugin URL (only adds this plugin):
     
   • The original repository URL of this plugin:
     
4. Click the + button.
5. Click the Save and Close button.

You should now be able to install SelectString from the plugin lists by searching for it.