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Here I show how I upgraded my 128Gb Mac SATA SSD to a 1TB Samsung EVO 860 SATA SSD and installed a dual boot system (Catalina and Windows10) on the unsupported 11” MacBook Air from 2011.

The following links have helped me succeed:
Explaining the Difference Between SSD NVMe and M2 SATA and mSATA:

And also:
Catalina patcher: