So ...

Upon activation, go to Settings => General and scroll down to the bottom of the page to access the "Meks Time Ago Options":

As yo ucan see in the above image ...

• you can select where and when you want to use relative time
• you can choose to show it for date, time or both
• you can also limit it to posts not older than a specific time
• if you want, you can chenge even the word "ago"

And that's it! Simply save your changes and you can visit any post to see the result ... In my case ...

OK. Now let's see some final thoughts ...