Yes, you need to install Emacs. It is probably available from whatever package manager your system uses. I prefer Doom (https://github.com/doomemacs/doomemacs

Yes, you need to install Emacs. It is probably available from whatever package manager your system uses. I prefer Doom (https://github.com/doomemacs/doomemacs https://github.com/doomemacs/doomemacs) to Spacemacs. However I haven't looked at Spacemacs for many years; perhaps it's now on par with Doom.