You can most easily apply the editable default theme on the page, whereas custom themes need to be added to the online store's file folder and selected in the version settings.
Enabling the editable default theme
Here's how to enable the customizable default theme and select a ready-made style as a basis for modifications:
The default theme with the selected style is now in use in the version you selected.
Enabling external themes
To enable a custom or other external theme:
After a theme has been added to your online store's file directory, it needs to be enabled in all the relevant language and store versions.



