Each LAE update corresponds to a version of Moodle in active development. The download links include the corresponding Moodle with LAE for one, straightforward install.
Find the download links below. If you are planning to upgrade from Moodle 2.x to Moodle 3.x with LAE, CLAMP suggests you read this first.
If you want to know more about LAE and CLAMP, check out their web page here. CLAMP is a group of colleges and universities that promote and support Moodle development, with a focus on liberal arts subjects. LAE is a Moodle customization catering to the liberal arts education community. It does not mean it is exclusive for liberal arts education, and it includes some general tweaks. So you are welcome to try it, no matter your subject area.
How do Moodle with and without LAE compare? GIve us your thoughts in the comments!