Step 1: On your POS device, open the Appstore.

Step 2: Find the Kuda POS app and tap:
Install to download it for the first time, or
Upgrade/Update to update an existing app.
If you cannot find the Kuda POS app in the Appstore, pull down to refresh the Appstore page and search again.
If the button shows Open, it means the app is already on the latest version.
