If you are having trouble launching Life is Strange please ensure you have checked/installed the following:

browse to the games local folder.
in the `_commonredist` folder there are 3 folders, DirectX, PhysX, vcredist.
Install DirectX by running the DXSETUP.EXE
Install PhysX by running the MSI file in the folder
Install each vcredist by running the exe relative to your Operating system. if 64bit then "vcredist_x64.exe", if 32bit then "vcredist_x86.exe"

Restart computer and start game via the client