These are the foundational acts required of every Muslim:

Shahada - the declaration of faith that there is no god but Allah and Muhammad (peace be upon him) is His messenger.

Salah - the five daily prayers.

Zakat - the obligatory charity given annually to those in need.

Sawm - fasting during the month of Ramadan.

Hajj - pilgrimage to Makkah, required of those who are physically and financially able.