Samsung Galaxy Note5 User Manual page 183

Unknown Sources
Enable installation of non‑Google Play applications.
1. From a Home screen, tap
2. Tap Lock screen and security > Unknown sources
to enable this option.
Warning: Enabling installation of third‑party
applications can cause your device and personal data to
be more vulnerable to attacks by unknown sources.
Settings
Apps >
Private Mode
Hide personal content from being accessed by anyone
else using your device. Private mode is only available
for certain applications.
Note: A secure screen lock (Pattern, PIN, Password, or
Fingerprints) is required to use Private mode.
1. From a Home screen, tap
2. Tap Lock screen and security > Private mode.
3. Tap On/Off to enable Private mode.
4. Follow the prompts to learn about and set up
Private mode.
174
Apps >
Lock Screen and Security