Overview
A few simple steps to activate the missing option in the settings.
Step 1
How to enable v-sync in Nvidia control panel:
1) Click Right mouse button on desktop;
2) Open “Nvidia Control Panel”;
3) Go to “Manage 3D settings”;
4) Chose “Program settings”;
5) Select “Life is Strange: Before the storm”;
6) Scroll down and turn on “Vertical sync”;
Step 2
We need to set up launch options:
1) Find your game in steam library;
2) Open properties;
3) Set launch option, mine resolution is FHD so i set up: -window-mode exclusive -screen-width 1920 -screen-height 1080
Step 3
Lauch the game and press alt+enter.
Enjoy smoothness.