If you are looking for free-to-play bus games on PC, the Microsoft Store offers several titles like Tourist Bus Historic City - Egypt Tour Simulator and Offroad Tourist Bus Simulator . Key Features and Gameplay
If you are trying to play the mobile version on a computer, you can use BlueStacks to run Android bus simulators on your Mac or PC. tourist-bus-simulator-pc-game-free-download
The full PC experience is available via platforms like Steam or the Aerosoft Shop. If you are looking for free-to-play bus games