Edit user settings
Open the Settings page, click Users & Roles, and click edit next to your user name.
Open the Developer menu
Check the Developer box, then open the Developer menu at the top of the screen.
Add Media Gallery
Add this shortcode to any text field to create a new Media Gallery.
Edit your Media Gallery on SpaceCraft:
Go to the live SpaceCraft website and click the gear icon in the top right corner of the Media Gallery Plugin.