The simplest way to install the correct release of Eclipse MoDisco, is to use the Help->Install New Software... dialog, then to select the prevailing releases update site such as 2021-03 - http://download.eclipse.org/releases/2021-03 as the Work with target. Then type MoDisco as the filter text. You may then check MoDisco SDK for a minimum binary-only install or MoDisco SDK Developer Resources for the fuller SDK with sources.
Alternatively you may choose to download an arbitrary milestone or nightly build by selecting one of the Update Sites listed below for use as the Install New Software... work with.
You may separate download and install steps, by first downloading the All-In-One Update ZIP. using the Download button below You may later use the ZIP for an offline install by selecting the downloaded ZIP as the work with.