this one goes to 11 —mortendk
Manual
###Drush
drush dl eleven
drush en eleven -y
drush config-set system.theme admin eleven -y
###Composer
composer config repositories.eleven vcs https://github.com/thememachine/eleven
composer require thememachine/eleven
###Manually
Download latest release from Drupal.org
Go to the apparence page in your drupal site /admin/appearance
Afterwards enable modules as usual.
drush pm-uninstall eleven elevenfeat -y
Visit Eleven Theme for the demo and screenshots.