To add a new email account click on the icon (as circled in red below) and then click Manage accounts in the menu which appears down the right hand side, and then click on Add account

 

 

You will then be presented with the following screen

 

 

If you have an email address ending in @hotmail.co.uk, @hotmail.com, @live.com or @outlook.com then select the first option Outlook.com

 

If you have Office 365 or Exchange then click Office 365

 

If you email is with Google (Gmail), Yahoo! or iCloud then click the relevant button

 

If your email address is with another provider such as @btinternet.com, @talktalk.co.uk etc then select Other account

 

 

Depending on what option you chose you will then see screens similar to below where you can enter your email address / password and then click Next / Sign in to add the email account

 

 

 

 

Settings for some of the most popular email/internet providers can be found here