One of the most significant aspects of Jannah/Paradise is the forgiveness of sins and freedom from punishment. In Islam, sin is considered to be disobedience to Allah's commands, and it results in a separation between the sinner and Allah. However, in Jannah, all sins are forgiven, and the believers are no longer subject to punishment.
This forgiveness and freedom from punishment are a source of immense joy and relief for believers. They no longer have to worry about being held accountable for their past sins, and they can enjoy eternal bliss without any fear or anxiety. The Qur'an describes this feeling of relief and joy in several verses, such as:
"Say, 'O My servants who have transgressed against themselves [by sinning], do not despair of the mercy of Allah. Indeed, Allah forgives all sins. Indeed, it is He who is the Forgiving, the Merciful.'" (Qur'an 39:53)
"And We shall remove from their hearts any lurking sense of injury: [they will be] brothers [joyfully] facing each other on thrones [of dignity]." (Qur'an 15:47)
This forgiveness and freedom from punishment are not unconditional, however. In order to enter Jannah, one must have faith in Allah and follow His commands to the best of their ability. This includes performing good deeds and avoiding sinful actions. The Qur'an emphasizes the importance of good deeds in several verses, such as:
"Indeed, those who have believed and done righteous deeds - they will have the Gardens of Paradise as a lodging." (Qur'an 18:107)
Therefore, while the forgiveness of sins and freedom from punishment are major aspects of Jannah/Paradise, they are not separate from the requirement of faith and good deeds. Believers must strive to live a righteous life in order to attain the eternal bliss of Jannah.