Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
quran:48:1 – In the name of Allah, the Entirely Merciful, the Especially Merciful.

Indeed, We have given you, ˹O Muhammad˺, a clear conquest  

Verily We have given you, We have ordained ˹for you˺ the conquest (fath) of Mecca, and other places in the future by force, as a result of your struggle, a clear victory, ˹one that is˺ plain and manifest;
القرآن:٤٨:١ – بِسْمِ اللَّهِ الرَّحْمَٰنِ الرَّحِيمِ

إِنَّا فَتَحْنَا لَكَ فَتْحًا مُبِينًا  

{إنا فتحنا لك} قضينا بفتح مكة وغيرها في المستقبل عَنوة بجهادك {فتحا مبينا} بيِّنا ظاهرا.

See similar narrations below:

Collected by Bukhārī
bukhari:4834 – Muḥammad b. Bashhār > Ghundar > Shuʿbah > Qatādah > Anas Innā Fataḥnā Lak Fatḥ Mubīn

"Verily, We have given you (O Muhammad) a manifest victory.' refers to Al-Hudaibiya Peace treaty).  

البخاري:٤٨٣٤ – حَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ حَدَّثَنَا غُنْدَرٌ حَدَّثَنَا شُعْبَةُ سَمِعْتُ قَتَادَةَ

عَنْ أَنَسٍ ؓ {إِنَّا فَتَحْنَا لَكَ فَتْحًا مُبِينًا} قَالَ الْحُدَيْبِيَةُ