iMAC Dual Monitor Setup: Newer iMAC to older iMAC

How to setup a newer iMAC to a older iMAC for a dual monitor setup
you'll need three items.
1. Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter

2. Apple Thunderbolt Cable (2.0 m)

3. A keyboard for the secondary monitor.

once your monitors are connected together on the secondary keyboard press (command) (F2) at the same time

check out my other video on dual monitor setup with imac computer and hp monitor.

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