Datasheet

the Arduino “Sketch” menu, select “Include Library” then “Manage Libraries…”

Search for and install the Adafruit GFX library:

And the Adafruit ST7735 library:

Repeat the search and install steps one more time, looking for Adafruit_ZeroDMA. That’s the third and final library.

If this is all unfamiliar, we have a tutorial introducing Arduino library concepts and installation (https://adafru.it/aYM).

Restart the IDE!