x32 version of Requality requires Java x32 to run.
Java can be downloaded from OpenJDK8 HotSpot site or from repositories on linux.
To use x32 version of Requality on x64 systems you need to add parameter "-vm" with path to x32 Java in requality.ini right before "-vmargs".
As an example for Windows:
-vm
C:\Program Files (x86)\Java\jre1.8.0_73\bin\
For Linux:
-vm
/usr/lib/jvm/open-jdk-8-jre/jre/bin
Users of x32 version of Requality on x64 Linux may need to install libxt6:i386 package.
To use on Windows 7 you need to install the component Microsoft Edge WebView.
Also to use on Windows 7-11 you need to install the component Visual C++.
To avoid editors limitation (no more than 8 opened editors at the same time) on Windows 10 you need to install the registry fix.