How to dual boot existing Windows installation with OpenCore?

Hi! I have a (mostly) working hackintosh on my hands, and I would like to move OpenCore to the EFI folder of my SSD. Problem is, OpenCore is still on a thumb drive and Windows Boot Manager is already in my drive's EFI folder and I'm scared of messing something up with Windows and I'd rather not have to deal with trying to repair that if all does go south. How can I do this? It should be noted I'm using one drive. In 2020, I had a Clover setup with High Sierra that I installed on my secondary HDD using Carbon Copy Cloner. I don't think that would work this time though, since an EFI folder already exists in the drive I would put OpenCore on.

submitted by /u/2014legos
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