app/views/spree/shared/_user_form.html.erb
<div class="form-group">
<%= f.label :email, Spree.t(:email) %>
<%= f.email_field :email, class: 'form-control' %>
</div>
<% if spree_current_user.nil? || spree_current_user.password_required? %>
<div id="password-credentials">
<div class="form-group">
<%= f.label :password, Spree.t(:password) %>
<%= f.password_field :password, class: 'form-control' %>
</div>
<div class="form-group">
<%= f.label :password_confirmation, Spree.t(:confirm_password) %>
<%= f.password_field :password_confirmation, class: 'form-control' %>
</div>
</div>
<% end %>
<div data-hook="signup_below_password_fields"></div>