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I working on
macOS Mojave 10.14.5
I am new to
macOS and I don't know much about installing different versions. I can't dare to uninstall the current as I am afraid to lose my file and installed packages.
how can I safely
Updates: info about my MacBook:
MacBook Pro (Retina, 13-inch, Late 2013)
The reason why I want this is that I want to install wifi USB adapter but it seems that it's only compatible with os 10.11 or below that. Having this wireless adapter working is so much important to me though.
Adapter details: EDUP 802.11n USB Wireless Model : EP-N8553