mvn install:install-file -Dfile="prov/build/libs/bcprov-jdk18on-1.78-PQ.jar" -DgroupId="org.bouncycastle" -DartifactId="bcprov-jdk18on" -Dversion="1.78-PQ ...

There are various instances of this issue that we get such as JAVAC’, JRE, ‘MVN’, JAR’ is not recognized as an internal or external command, operable program or batch file, ‘Java’ is not recognized as ...

Download the .jar file from the releases. Get the latest version here. Just double-click the .jar file and the installer should just start. If it doesn't start the client then run the jar with: Where ...