Open the Watch app on your iPhone
Tap the My Watch tab
Scroll to Available Apps
Find the app you want to install
Tap Install next to the app
Wait for the app to download and install on your Apple Watch
Make sure your Apple Watch is connected to Wi-Fi or your iPhone
Make sure Bluetooth is turned on
Open the App Store on your Apple Watch to download apps directly
Search for the app you want
Tap Get or the download button
Enter your Apple Watch passcode if prompted