Cron Job Tutorials - How to set up cron job for BackWPup?

I installed BackWPup on my server, and I want to set up a cron job to trigger BackWPup's cron job script. What should I do to set up the cron job?

https://www.easycron.com/cron-job-tutorials/how-to-set-up-cron-job-for-backwpup