How to Launch and Manage Finder Tabs in macOS
by David Murphy from Lifehacker on (#42Y1R)
If you didn't know that the macOS Finder has built-in tabs, prepare for your mind to be blown-at least, if you've previously filled your desktop with new Finder windows when managing files. Instead of relying on Command + N, switch your finger up and to the left, and Command + T will allow you to open a ton of tabs"