Officially, 3.48 is the last version guaranteed compatible with Windows 7.
Unofficially: Some people have had success running newer versions, but it's not a given considering the version of Qt used isn't really compatible. And Calibre 5.x installer will fail outright for Win 7 though, so you'd need to extract the MSI.
Last edited by ownedbycats; 02-27-2021 at 11:42 PM.
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