iphoto isn't supported in this version of macOS
i have photos uploaded to an external hard drive (seagate) from an old MacBook, 2009. Still works but seems to be on shaky ground...I have removed the Seagate back up and plugged it into our newer MacBook air. The photos won't open. pop up says: iPhoto isn't supported in this version of macOS. Please upgrade to photos...
On which computer do I need to do that and where can I find the app?
thanks
MacBook Air 11″, macOS 10.15