Resolved Upgrading old computers

[kate2kate]

I am trying to update the OS on 2 computers. Could you please tell me what OS I can upgrade these computers safely. Thanks

 

[MarkC426]

Here you go.....

macOS Monterey is compatible with these computers – Apple Support (UK)

You can install macOS Monterey on any of these Mac models.

support.apple.com

macOS Big Sur is compatible with these computers - Apple Support

You can install macOS Big Sur on any of these Mac models.

support.apple.com

 

[kate2kate]

Here you go.....

macOS Monterey is compatible with these computers – Apple Support (UK)

You can install macOS Monterey on any of these Mac models.

support.apple.com

macOS Big Sur is compatible with these computers - Apple Support

You can install macOS Big Sur on any of these Mac models.

support.apple.com

Thank you!