Downloads
Official builds from Mean Hamster Software. HamsterWeazle downloads and in-app update checks now point here instead of public GitHub releases.
HamsterOS
Free 1.44 MB boot floppy image for 386/486-class PCs.
Download hamster.img free. The optional Hamster Extras disk adds the full updater and larger apps. HamNet is now on the main HamsterOS image; Plus service signup is available inside HamNet or from the HamNet+ plans page.
SHA-256: 58C416A7D45A1E876F7BF3AB7760906BD2FEEC087CBB0459C5020183B0F8B29C
HamsterWeazle
Current Windows release: v1.5.4
Windows
HamsterWeazle-Windows.exe
Windows 10/11 x64 with .NET 10 Desktop Runtime required. Requires a GreaseWeazle USB adapter and floppy drive.
Download Windows buildMac
Apple Silicon and Intel
Mac Apple Silicon and Intel builds remain at v1.4.8 until the next Mac package refresh.
Current Mac release: v1.4.8