GarageBand support for obsolete mid-2011 iMac
I have an older iMac (mid-2011) now obsolete to support GarageBand b/c it's 10.3.6. What is the cost-effective way to go to update my system so I have GarageBand for audio recording purposes?
[Re-Titled by Moderator]
iMac 27″, macOS 10.13