Big Sur disk space requirements?

How much disk space do I need to install Big Sur?
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comptonsw
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I've created a 40gb partition and installation requested more 11gb, so I made it 52gb and it went ok.

So I guess that 51gb is the magic number you want.
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andredsp
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At least 50gb or more storage for clean install of macOS Big Sur
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Samrth012
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