Windows
Use the Task Scheduler to schedule running the ferris-tweial-1.2.0.0-windows-x86-64-jre/bin/start-tweial.bat file. Microsoft has a Schedule a task page with all the details.
Linux
Use CRON to schedule the running of the application.
# Run Tweial email every 10 minutes 0,10,20,30,40,50 * * * * /home/username/ferris-tweial-1.2.0.0-linux-x86-64-jre/bin/start-tweial.sh > /dev/null
Happy Tweialing!