How to set Pin Lock in Samsung Galaxy J2(SM-J200G)?

Navigate to Apps → Settings → Screen → Lock screen and security → Screen lock type → PIN → Set and confirm PIN → OK

Pictorial representation for setting the PIN lock is as follows:

a). Tap on Apps icon from the Home screen.

b). Tap on Settings icon.

c). Drag the Screen upwards to access more Settings.

d). Select and tap on Lock screen and security.

e). Tap on Screen lock type.

f). Select and tap on PIN lock.

g). Enter the PIN you want to set.

h). Tap on Continue.

i). Confirm the PIN by re-entering it.

j). Tap on Ok.