If your Windows version is (for Europe) or KN (for Korea), you are missing WMP by design. Download the "Media Feature Pack" directly from Microsoft:
Released for Windows 10 in early 2023, this modern app replaced Groove Music. It features a refreshed UI, 9-band equalizer, and better accessibility support, though it lacks some of the deep "legacy" features of its predecessor. Enabling Windows Media Player Legacy windows media player windows 10 64-bit