PCPS4 The Witness priced at $39 Pre-orders go live on Steam and the Humble Store today. The Witness will cost $39.99 / €36.99 / £29.99 when it launches for PlayStation 4 and PC next Tuesday, January 26, developer Thekla announced. Pre-orders will go live on Steam and the Humble Store for the PC version today at 12 p.m. PT / 3 p.m. ET. There won’t be PlayStation Network pre-orders for the PlayStation 4 version.