STBEmu is the gold standard. While famously used on Android, the Windows version (via native port or WSA) is highly effective. It emulates the hardware signature of a MAG device, making the portal believe you are using a physical STB.
Unlike M3U players, Stalker portals handle timeshift (pause/rewind live TV) via the server. In ProgTV, simply click the pause button. Recordings are saved as .ts files. To schedule recordings, right-click a program in the EPG and select "Record." stalker portal player windows
Kodi is the undisputed king of open-source home theater software. While Kodi natively supports PVR (Personal Video Recorder) clients, the add-on allows it to interface with Stalker Portals. STBEmu is the gold standard