how i can hackintosh my optiplex?

hello. i have an OptiPlex 3040 with a intel core i5-6400 2.70GHz with a hd graphics 530 and 8 gigs of ram, and i want to do an Hackintosh with Big Sur but i have tried all the methods possible (with OpenCore) and none of them worked. there is someone who can help me

Author: @winbot_X_176