Go to XStore > deactivate theme and then activate it again using your purchase code.
After that follow the instructions and press the Check updates button https://xstore.helpscoutdocs.com/article/63-theme-update Update both: theme and XStore Core plugin. Or you can do the update via FTP, as described in the documentation.
After the update, you need to re-save Theme Options (go to Theme Options > click on Publish) and clear cache.
