Please explain the meaning of 'Iqaamat Ad-Deen' (establishing the religion). How can we achieve it?

All perfect praise be to Allah, The Lord of the worlds. I testify that there is none worthy of worship except Allah and that Muhammad, sallallahu ‘alayhi wa sallam, is His slave and Messenger.

If you are asking about the establishment of the religion that we are commanded with, it means establishing belief in the Oneness of Allah and sincere obedience to Him. This is accomplished by learning the religion, acting upon its provisions, and calling people to it so that the religion remains triumphant and strong. Abu Hayyan said, "The command in the verse to 'establish the religion and remain united', means uphold the religion, keep it lasting, stable, and well-preserved, without disagreement or confusion." [Al-Bahr Al-Muheet fee At-Tafseer, 9/329]

Abu Al-‘Aaliyah said, "Establishing the religion means sincerity to Allah and worshiping Him."

If you are asking about something else, then please clarify it for us.

Allah knows best.