Welcome to Microsoft SharePoint Online! We are glad to grant you access to the SharePoint Online site collection at: {0}. ...

Welcome to Microsoft SharePoint Online! We are glad to grant you access to the SharePoint Online site collection at: {0}. 
Follow the steps below to access the site collection:
Go to https://signup.live.com and create a Live ID by using this e-mail address {1}.
Sign in to  by using the Live ID and password created above.
For more information about SharePoint Online, visit {3}
{4}

Sincerely,
Your SharePoint Online service administrator