Add to gemfile: `gem 'spree_self_delivery', :git => 'git://github.com/secoint/spree_self_delivery.git'`
Run `bundle install`
Run `rails g spree_self_delivery:install`
Run `rake db:migrate`
Create ShippingMethod with `self delivery` calculator and display_on = back_end
Go to `/admin/self_delivery_points` and create one or more self delivery points
If you are using spree_address_book gem it should be specified before spree_self_delivery in Gemfile