Besiegedownloads.com ((install)) Page

machine files before the official integration of the Steam Workshop caused its closure around early 2020. While the site is gone, community members can sometimes recover old, non-functional files through the Wayback Machine or utilize the official Steam Workshop, which now serves as the main sharing hub. Further discussions on the site's closure can be found at Workshop - Besiege - Steam Community

However, these promises are often misleading. besiegedownloads.com