- Navigate to where you have downloaded 'Frequency-Analysis.jar' file and open your Terminal ("Command Prompt").
- Type 'java -jar Frequency-Analysis.jar' (without quotes) OR open the JAR file normally. Refer to fixes if an error "A Java Exception has Occurred" pops up.
- Enjoy!
If an error "A Java Exception has Occurred" pops up, open the JAR file using OpenJDK Platform Binary. It seems to fix the issue.