Install SteamVR without Steam
Make a standalone version of SteamVR * copy and zip folder C:\Program Files (x86)\Steam\steamapps\common\SteamVR Use a standalone version of SteamVR * check all cable connected on PC and driver installed * upzip SteamVR.zip * execute ...\SteamVR\bin\win64\vrstartup.exe or vrmonitor.exe