Where can I run the Atom command?

Question

Run the Atom Atom-Beautify: Migrate Settings command.
You have unsupported options: _analyticsUserId

Answer 1

cmd + shift + p
then paste the command without

Answer 2

This is not very clear in Atom, but for you this is a menu item: Toggle Command Palette

Mac OS X: Shift + Command + P:

Windows: Ctrl + Shift + P