After installing IntelliJ IDEA and BaseX, install the xquery-intellij-plugin by one of the following methods:
===From the Start Screen===
[[File:intellij-startbildschirm.png]]
* Start IntelliJ IDEA and select ''Configure''→''Plugins''.
* In the Plugins window, select the tab ''Marketplace''.
After installing IntelliJ IDEA and BaseX, install the XQuery Support plugin by one of the following methods:
===From the Start Screen===
[[File:intellij-startbildschirm.png]]
* Start IntelliJ IDEA and select ''Configure''→''Plugins''.