Find the Xink icon at top of the screen, click and select 'Check for updates' and Install Update.
If the above method is not available in your Xink app then you can manually download and install the latest version of Xink App for Mac users.
1. Download Here the latest Xink.pkg
2. Double click to install Xink App found in the Downloads folder.
3. Lastly, make sure to launch Xink app found in the application folder to update.
Notice the Xink icon with a green check at the menu bar.