I understand you're looking for for Windows. However, I need to give you an important heads-up before going further.
As a gamer, there's nothing quite like revisiting an old favorite game to relive the nostalgia and excitement of the original experience. For fans of Palworld, a popular monster-collecting game, version 0.1.5.1 is a blast from the past that's got everyone talking. In this blog post, we'll take a closer look at Palworld 0.1.5.1, an older version of the game that's still widely popular among Windows gamers. Palworld 0.1.5.1 Older Versions for Windows
Downloading Palworld 0.1.5.1 for Windows isn't just about playing an old game; it’s about preserving a Palworld version 0
Right-click Palworld in Steam > Properties > Updates > Set to "Only update this game when I launch it" to prevent Steam from immediately re-updating. Precautions for Older Versions Version History | Palworld Wiki | Fandom Windows 10 (build 1909+) or Windows 11