Updating the theme
1. Auto Update
– Go to Dashboard > Envato toolkit > Input your Envato Username and API Keys

– To get Envato API Key you need login your Envato Account > Settings > API Keys > Generate API Key or copy exist API key

– Open tab “Themes” and Choose Look > Update Automatic

2. Manual Update
Try following this steps for this.
- Download the zip file from themeforest again
- Install it to different folder ( or just simply uploading via wordpress dashboard without removing the old one)
- Activating new theme version
- Set the menu to themes location at the ‘Appearance > Menu’ section.
- Save the theme option once
- Make sure everything is working properly and you can remove the old theme files out