Kupietools' GitHub Gist provides direct links to installers archived on Wayback Machine.
Sites like Uptodown (Windows) and Uptodown (Mac) host an extensive history of executable files, which can be useful if official links are dead. How to Install an Older Version (Rollback) download docker desktop older version
Official and community sources provide different windows of accessibility: Kupietools' GitHub Gist provides direct links to installers
For very old versions (e.g., v4.0.0 through v4.22.1), developers often use community-maintained lists. v4.0.0 through v4.22.1)
The Docker Desktop Release Notes page is the primary source for recent versions. You can find direct download links for Windows, macOS (Intel and Apple silicon), and various Linux distributions here. Note that versions older than six months from the current release may not always be listed for direct download on this page.