1. Change on the Watch Pro: To change watch faces on your Watch Pro, press and hold anywhere on the screen for 3 sec. This will open the watch face change selection interface. Swipe left or right and tap the desired watch face to select it. 2. Change in the app: (1) In the My tab of the Watch Face marketplace, tap on a watch face to view its details. Tap Change Watch Face to change the watch face on your Watch Pro. (2) In the Recommended tab of the Watch Face marketplace, tap on a watch face to view its details. Tap Download to download the watch face to your Watch Pro. Once the watch face is downloaded, it will be displayed on your Watch Pro.