A full build of each release which can be used in a script tag is available from cdnjs or from the OpenLayers site. You will need both the JS build and the CSS files; see the examples or the Quickstart tutorial for usage.
|v4.0.1-dist.zip||Includes a full build of the library, a debug build, and library CSS.|
|v4.0.1.zip||Includes all of the above plus examples, API docs, and sources.|
See the v4.0.1 release page for a changelog and any special upgrade notes.
For archives of previous releases, see the complete list of releases.