I collected over the years from the various Macs that I owned the OS X installers for versions 10.6 through 10.11.
However, when I tried to use the OS X 10.7 installer on an older MacBook with 10.6 (to make it "iCloud ready") I got an error message, saying that this installer was too old (or something similar) - and I could not use it. I then faintly remember that I read some time ago that Apple "disabled" all (or some?) installers from some (or all?) OS X versions and replaced them with...
Where to get older OS X installers?
However, when I tried to use the OS X 10.7 installer on an older MacBook with 10.6 (to make it "iCloud ready") I got an error message, saying that this installer was too old (or something similar) - and I could not use it. I then faintly remember that I read some time ago that Apple "disabled" all (or some?) installers from some (or all?) OS X versions and replaced them with...
Where to get older OS X installers?