Please follow the Install section below to install Java 1.8 and then start Ancestris. If you see an error message in the terminal, then Java is not installed on your system.for Windows systems, check the step-by-step instructions. for MacOS systems, check the step-by-step instructions.

There are alternative methods for MacOS and Windows. If you don't know if Java is installed or which version is installed, please visit the official detailed explanation page or directly open a command line terminal and type on the command line: java -version Identify which Java version is set by default In this case, as indicated below, uncomment the jdkhome line in the nf configuration file located in the ' etc' directory of your Ancestris installation and set the appropriate path.

If you opt for a free distribution, you will have to tell Ancestris where your installation is.

You can install Java from any vendor: Oracle, OpenJdk or Adoptium.

We do not check on Short Term versions which are obsolete and cannot be downloaded after 18 months but some users have confirmed it works with Java 18. It has been tested and works on Java 8, 11 and 17, which are LTS (Long Term Support) versions. It is compiled in version 8 for better compatibility with the most users. Ancestris works with Java versions 8 up to Java version 18.The JDK (Java Development Kit) is not required, but since the JDK includes a JRE, a JDK alone is also sufficient. You need a Java Runtime Environment (JRE).The following sections offer a step-by-step check to ensure Ancestris is using a valid Java 8 version. Either Java is not installed or Ancestris does not find it or finds an incompatible version or finds a corrupted version. If Ancestris does not start, or shows the Ancestris splash screen and stops, it is most generally related to an issue with the Java installation. Ancestris needs Java and is compatible with Java 8 up to Java 18.

Mac install java 1.8