Upsells/Downsells like Tugan

Hi guys, I hope you are well.

I’m currently trying to create offers upsells like Tugan Bara on my Shopify but I don’t find how to make. I only find some applications which made simples upsells.

If anyone can tell me, or better, accompany me to make upsells that I want, you would have my gratitude (and an affiliate link)

I’m sorry if there are english mistakes.

Thanks by advance.