HP DeskJet GT 5820 - Which operating system version do I have? (Mac)

HP DeskJet GT 5820 - Which operating system version do I have? (Mac)

Knowing your Mac operating system version is helpful when installing your printer driver or firmware updates.
To find the operating system information, click the Apple icon, and then click About This Mac.
Figure : Example of the macOS Ventura version number
Figure : Example of the macOS Sierra version number

https://support.hp.com/

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