* Install either version of IntelliJ IDEA: [https://www.jetbrains.com/idea/#chooseYourEdition the Community or Ultimate edition].
* Download your favorite BaseX distribution (JAR, ZIP, EXE): [http://basex.org/download/].
This article focuses on Grzegorz Ligas' [https://plugins.jetbrains.com/idea/plugin/7262-xquery-support XQuery Support plugin].