Changing one's name is not required unless the name carries a meaning contrary to Islam. The Prophet ﷺ generally kept people's names, changing only those with objectionable meanings, so a good existing name may be retained.
Evidence — the daleel
Sahih Muslim 2139a Ṣaḥīḥ
On deen2u
Informational, not a personal fatwa. Consult a qualified scholar for rulings on your situation.