Note: Always make a backup of all of your theme assets, including CSS files, master pages, page layouts, etc. Upgrading the theme will remove all custom changes previously applied.
Uninstall the theme
To upgrade your theme version, you need to first completely remove the theme from your website.
You can find the instructions for uninstalling a theme here.
Install the theme again
After completely removing the theme you can move on to installing the new version.
You can find the instructions for installing a theme here.
Version upgraded! ✅