How can I set login password that every time the OS will go to "sleep" or when I turn on the device it will rquire user and password otherwise there will no be a way to using the raspebian.
Like in windows 10 that you must enter password in order to use the pc.
It's a "Raspberry Pi Configuration" option:
http://www.cpmspectrepi.uk/raspberry_pi ... Tools.html
(IE. Disable "Auto Login", especially if you're booting to the desktop)
Still running Raspbian Jessie on some older Pi's (an A, B1, B2, B+, P2B, 3xP0, P0W) but Stretch on my P3B+, P3B, B+, A+ and a B2. See: https://www.cpmspectrepi.uk/raspberry_pi/raspiidx.htm