Abu Hurairah (May Allah be pleased with him) reported:
Messenger of Allah (ﷺ) said, "When you wear your clothes or perform your Wudu', begin with your right side."[Abu Dawud and At- Tirmidhi]. (JA)
App reference (JA): Book 2, Hadith 46 (JA)
Arabic/English book reference (JA): Book 2, Hadith 726 (JA)