Add “My Account” icon to header area

Tutorial to enable “My Account” icon to the header area.
  1. From your Shopify admin, go to Settings > Customer accounts.
  2. In the Accounts in online store and checkout section, click Edit.
  3. To display the login link on your store, select the Show login link in the header of online store and at checkout checkbox.
  4. In the Choose which version of customer accounts to use section, select New customer accounts.
  5. Click Save.