Note: For the following guide, please replace all domain.com to the domain of your Wordpress site.
Plesk
Login to your Plesk control panel.
Click on Scheduled Tasks
Click on +Add Task.
Enter below command in the Command field.
wget -q -O - https://domain.com/wp-cron.php?doing_wp_cron
Set the command to run Hourly and Do not notify.
Finally, click on OK to save it.
cPanel:
Login to your cPanel account.
Go to Cron Jobs
Under common settings, select Once Per Hour.
Under Command, enter below code.
wget -q -O - https://domain.com/wp-cron.php?doing_wp_cron >/dev/null 2>&1
5.Finally, click on Add New Cron Job.