Wake your Apple Watch by tapping the screen or raising your wrist
Press firmly on the current watch face
Swipe left or right to browse available watch faces
Tap the watch face you want to use
To customize a face, press firmly on it and tap Edit
Use the Digital Crown or swipe to change colors and complications
Press the Digital Crown to save your changes
To add a new face, press firmly on the watch face, swipe all the way right, and tap the plus button
On iPhone, open the Watch app
Tap Face Gallery
Choose a watch face
Customize it
Tap Add to set it on your Apple Watch