I cant get back swipe option for screen lock

[AC Question]

I try evrything but i cant back that option . It ony display pin and password option. I try also to clear credentials but i doesn't work.it still display only 2 option. My phone android version is marsemellow.i have no idea what i do plz help

 

[Tim1954]

Settings... Lock screen and security... Lock screen type... Here you will get asked for your pin/pattern...
Once you enter that correctly, you will have the option to choose whatever you want to unlock your screen...