Installing Zen
How to install Zen automatically or manually
Make a 8.x-7.x sub-theme manually
Creating a sub-theme without using the command line
Note: Currently, Zen for Drupal 8 only has an alpha release. These docs are contributed by the community to try to help others use pre-release software and may become outdated with changes in the Zen code before its official relase.
The complete guide to installing, upgrading and creating your own Zen sub-theme.
How to install Zen automatically or manually
Creating a sub-theme without using the command line