+### QMK Toolbox
+
+1. `AVRISP device connected` will show up in yellow
+2. Select the correct bootloader/production .hex file with the `Open` dialog (spaces can't be in the path)
+3. Be sure the correct `Microcontroller` option is selected
+4. Hit `Flash`
+5. Wait, as nothing will output for a while, especially with production files
+
+If the verification and fuse checks are ok, you're done! Your board may restart automatically, otherwise, unplug your Teensy and plug in your keyboard - you can leave your Teensy wired to your keyboard while testing things, but it's recommended that you desolder it/remove the wiring once you're sure everything works.
+
+### Command Line
+