The current release, OpenFOAM-v2212, was released on 23/12/2022. For more details, see here.
Instructions for installing OpenFOAM can be found below:
To make OpenFOAM readily available to a larger range of users, OpenCFD works actively with the community surrounding respective Linux distributions to provide precompiled binary installations as system packages. The distributions currently include the following:
Read more on https://develop.openfoam.com/Development/openfoam/-/wikis/precompiled/
Mac (using Docker)
OpenCFD Ltd. uses Docker Hub to distribute pre-compiled versions of OpenFOAM for Linux, Mac OS X and Windows, including a complete development environment. Read more ...
Read more about installation from source
Information relating to previous releases can be found here.