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Unimus is written in Java, and requires a JRE (Java Runtime Environment) to run.
How to install Java depends on your particular OS / distro .
However, please make sure you install Java 8 or 11 (as mentioned above, JRE is sufficient, Unimus does not need the JDK).
However, please ensure you install Java 8 or 11 for Unimus version 2.5.0 or older.
Java 17 is also supported starting from version 2.5.1.
2) Download Unimus
Unimus is available in 2 platform-independent versions:
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