Microsoft Dynamics CRM Online team has emailed CRM Online (2013) Administrators “Admin action required: Approve update to Microsoft Dynamics CRM Online 2015!” The email contains the direct link to schedule the upgrade: https://port.crm.dynamics.com/G/UpgradeSchedule/index.aspx
Alternatively, you can login to Microsoft Online Portal that contains the Dynamics CRM Online account. Sign in with a user that has the “Global administrator” role
Navigate to Admin >> CRM
Click on the “Manage updates”:
Schedule your update and click Next:
Review and click “Approve Update” to finish.
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