The Five Pillars of Islam

The declaration of faith (Shahada) – “There is no God but Allah, and Muhammad is His prophet”.
Prayer (Salah) – A Muslim must pray five times a day.
Alms-giving (Zakat) – You must give some of your surplus to the poor.
Fasting (Sawm) – During Ramadan, the ninth month one must fast from sunrise to sunset.
Pilgrimage (Hajj) – Everyone who has the opportunity should travel to Mecca at least once in their life.

Source: crestsearch.ac.uk