hold `<fn>` and `<left-space>` for 5s
hold `<left-alt>` and `<right-alt>` for 5s
hold `<fn>` and `<left-shift>` for 5s then press new key
- press `<fn>` and `<right-ctrl>`
- press chord you want to map from
- type what the binding will map to
- press `<pn>` to finish this binding
- repeat from `2` for all other bindings
- press `<fn>` and `<right-ctrl>` to finish
win + alt + space