Add Plugins to Favorites from WordPress plugin repository

1. Login to your MainWP Dashboard
2. Go to the MainWP > Plugins > Install page
3. Search for the needed plugin
4. Click the Add to Favorites (star icon) button

Upload plugin from your computer through the extension interface

1. Login to your MainWP Dashboard
2. Go to the MainWP > Extensions > Favorites > Favorite Plugins page
3. Click the Add New Favorite button
4. Browse your computer and upload the plugin
5. Refresh your browser

Upload Plugin to Favorites via FTP

1. Open your FTP Client software and login to your MainWP Dashboard server
2. Navigate to the site_root/wp-content/uploads/mainwp/0/favorites/plugins/ directory
3. Upload a plugin in .zip format to the directory