Minimum Requirements to enter paradise and avoid hellfire
[The Quran 2:62] Surely, those who believe, those who are Jewish, the Christians, and the converts; anyone who (1) believes in GOD(Allah), and (2) believes in the Last Day, and (3) leads a righteous life, will receive their recompense from their Lord. They have nothing to fear, nor will they grieve.
[The Quran 2:277] Those who believe and lead a righteous life, and observe the Contact Prayers (Salat), and give the obligatory charity (Zakat), they receive their recompense from their Lord; they will have nothing to fear, nor will they grieve.
[The Quran 4:122] As for those who believe and lead a righteous life, we will admit them into gardens with flowing streams, wherein they live forever. Such is the truthful promise of GOD. Whose utterances are more truthful than GOD’s?
[The Quran 7:42] As for those who believe and lead a righteous life – we never burden any soul beyond its means – these will be the dwellers of Paradise. They abide in it forever.
[The Quran 19:60] Only those who repent, believe, and lead a righteous life will enter Paradise, without the least injustice.