please help i cant instlal macos big sur on my supported mac

i used open core legacy patcher and did all the steps and it just freezes when its supposed to boot to the welcome setup screen thing, ive reset the vram and disabled csrutil (security thing) and it just freezes and i dont know what to do, please this is my second post abt this god forsaken macbook not working, and yes i created the bootable drive with oclp.