Back from Sonoma to an OLD osx

Hi all, i've update with OCLP 1.2.1 to Sonoma my old macbookair 13" i5 with 4gb ram model A1466.
The performance is poor, maybe for the 4gb of ram.
The question is if i'm able to downshift to an old OSX (Monterey, or Mojave or older) and if yes witch version do you suggest to install. Thanks

submitted by /u/darione75
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