The "Impulse" theme by Archetype Themes automatically creates a multi-column feature when you nest your navigation items.
If you are using the (now-discontinued but archived) , "putting together" a feature usually refers to setting up custom keybinds or protections. IMPULSE MENU
: Press F4 (keyboard) or RB + Left D-pad (controller) to open the main menu. IMPULSE MENU
: Click Add Mega menu and type the name of the top-level link (Level 1) exactly as it appears in your navigation. IMPULSE MENU