If your device isn't running Windows 10, refer to the Windows 8 instructions.
From the Home screen, navigate: Settings (located in the lower-left) > Accounts.
If the Windows Settings options are not visible, tap or click the Settings Home icon (located in the upper-left) to go to the Settings home page.
Utilize the touchscreen (if available) or mouse to select the on-screen options.
From the Accounts section (located in the right-pane), if you have multiple acounts, tap or click the account to be edited then tap Manage.
Select from the tabs (e.g., Your info, Services & subscriptions, etc.) then make desired changes.