Docker Engine is supported on Linux, Cloud, Windows, and OS X. Installation instructions are available for the following:
If your linux distribution is not listed above, don't give up yet. To try out Docker on a distribution that is not listed above, go here: Installation from binaries.
Instructions for installing prior releases of Docker can be found in the following docker archives: Docker v1.7, Docker v1.6, Docker v1.5, and Docker v1.4.