By default, Locksmith will only automatically install itself to and update itself on the currently published theme, and does not automatically install itself to unpublished themes. However, there is a way to test Locksmith on unpublished themes.
Head to the in-app "Themes" page.
Click the "Install" button for the theme you'd like to test Locksmith on:
To preview the lock configuration you just installed, click the three-dot menu (…) next to the theme name, and select Preview:
When testing your locks on unpublished or the currently published theme, we recommend using a brand new private browsing session each time:
Head to the in-app "Themes" page.
Click the "Uninstall" button for the theme you'd like to remove Locksmith from:
Locksmith supports setting a Secondary theme, which receives automatic updates along with your published theme when changes are made in Locksmith.
In the Unpublished themes section, locate the theme you want to set as a secondary theme.
Click the three-dot menu (…) next to the theme name.
Select Set as secondary theme:
This theme will now receive all future updates made in Locksmith, in addition to the published theme.



