Wrong macOS version

Wrong macOS version

I am trying to install macOS Big Sur on a ivy bridge system. Earlier I tried Monterey but I believe that does not work with an iGPU. However, everytime I try installing Big Sur, it shows 'MacOS Monterey SSD' and says 'This version of Mac OS X is not supported on this platform!'. The BaseSystem files I downloaded and installed are for Big Sur. Does anybody know how I can fix this?

https://preview.redd.it/7yn3pzq4v34c1.jpg?width=3777&format=pjpg&auto=webp&s=cfae75cb00712e39ec0e8a676a3bf5e9c600729d

submitted by /u/YungMantje69
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