Go to sway.com.
Select Sign in on the top menu bar with your Microsoft account or work or school account for Office 365.
Note: Sway is free to use for anyone with a Microsoft account (Hotmail, Live, or Outlook.com). You can create more-sophisticated Sways with more content when you use Sway as part of an Office 365 subscription. For more information, see Add more content to your Sways with Office 365.
Connect from Office 365 for business
If you’re already working online within your organization’s Office 365 environment, you can connect to the Sway home page from the app launcher.
Select the app launcher at the top left of the browser window.
Select Sway from the Apps list. If you do not see Sway, select All apps.
Can't find the app you're looking for? From the app launcher, select All apps to see an alphabetical list of the Office 365 apps available to you. From there, you can search for a specific app.