From Xbox Wire: “Since teaming up with Electronic Arts, weve been working to provide Xbox Game Pass Ultimate and PC members an EA Play membership at no additional cost. We want to thank the PC community for your patience over the past few months as we worked to deliver a better Xbox App experience for EA Play. Were excited to share with you that starting tomorrow, March 18 at 2:00 p.m. PT, Xbox Game Pass PC and Ultimate members will be able to enjoy all the benefits of EA Play on Windows 10.
Source: N4G PC EA Play is Coming to PC for Xbox Game Pass Members Starting Tomorrow