Here is the thing, only intel gpus integrated starting at kaby lake processors or newer, as well as nvidia gtx1050 gpus and upwards, are supported. Note, some of the test content listed below was created long ago and includes a default la url in their playready header which no longer exist. Playready is backwards compatible with windows media drm 10 content, meaning that content encrypted with wm drm 10 for instance, content for playsforsure devices will play on a playready terminal. The first amd graphics driver update of may is here, with the 18.5.1 driver bringing further support for the windows 10 april update, microsoft playready 3.0, as well as to the two ryzen desktop apus. Amd, nvidia, and qualcomm to protect hollywood s movies from piracy as they travel through your pc. I put this question to amd and got this answer amd always try to support the new features with their gpu.
In the release notes there was one stated significant addition to the drivers, initial support for windows 10. Pb PlayReady avec Média Center résolu-réinstallation.