Surah An-Nasr 110:1

إِذَا جَآءَ نَصْرُ ٱللَّهِ وَٱلْفَتْحُ

When the victory of Allāh has come and the conquest,

Translation: Saheeh International

Tafsir

When the help of God for His Prophet s against his enemies comes together with victory the victory over Mecca

Excerpt from Tafsir al-Jalalayn, commentary on 110:1, via Quran.com. The reader has the full commentary and 9 more tafsirs.