Add Themes to Favorites from WordPress plugin repository

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

Upload a theme from your computer through the extension interface

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

Upload Theme 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/themes/ directory
3. Upload a theme in .zip format to the directory