Simply download the app from the Play Store to the phone that's set up to sync with your Android Wear device. Open it and select your watch model.

After a couple of seconds (sometimes a minute or two), the watchmaker app will be installed on your watch. Long press on the watch display and select the “WatchMaker for AW5” watch face.

In the watchfacer app on your phone, pick any watch face you like (or designed your self) and touch the “Set Watchface” button. Your watch will vibrate and set the new watch face.

Note: Watch Maker requires Android Wear 5. If you just bought your watch, it might still run an older version of Android. Give it a couple of hours and it will update itself. Then try Watch Maker again.

For creating your own watch faces you need to upgrade to the Pro version of Watchmaker. This is available as an In-App-Purchase from within the app.

Buying the Pro version unlocks the following features:

There are two ways to get the pro version:

1. unlock the pro features through an in-app purchase from within the free version
2. buy Watchmaker Pro in the app store

Both have exactly the same features. It makes no difference which way you go.

However you should stick with one way! If you uninstall the app and later reinstall, make sure you use the same version again. Eg. if you used the IAP to upgrade your free version, then install the free version again later on - it will automatically upgrade again.

You should never be required to pay twice for Watchmaker