On desktop (macOS, Windows, or on Wire for web)
1. Select Settings :
2. Activate Lock with passcode by checking checkmark:
3. Enter a passcode:
4. Select Set Passcode:
On mobile
On iOS
In the conversation list:
- Select your profile.
- Select Settings .
- Select Options.
- Toggle Lock with Touch ID & Passcode or Lock with Passcode.
On Android
In the conversation list:
-
- Select the menu button .
- Select Settings.
- Switch Lock with passcode to ON.
- Enter a passcode.
- Select Set a passcode.