Can we firts assume you have seen this and followed the advice there: Before you install
What machine are you attempting to dual-boot ZorinOS and Win11 on? Please state make/model and specification info.
Which edition of ZorinOS 16 (e.g. Pro, Core, Lite) are you attempting to install?
Also can you amend your forum profile to indicate that, as it will avoid havng to ask you that question again and again in future.
EDIT: Please do not post duplicate questions like this, as it dilutes available help. Dual Boot fails in windows 11