ilife

That is weird, because Apple replaced iLife back in 2013 with Pages, Numbers and Keynotes.

see > https://www.apple.com/newsroom/2013/10/23Apple-Introduces-Next-Generation-iWork-and-iLife-Apps-for-OS-X-and-iOS/

If you are running Catalina and need to update those App’s, then you need to do that by going to the Mac App Store.

What year model is your iMac?

see > https://support.apple.com/en-us/HT201634

What OS X/macOS is it currently running?

see > https://support.apple.com/en-us/HT201260