If you need to find out which WINRM Version Is Installed On your Server follow the steps below:
Office 365 requires WINRM version 2.0 and above.
Open PowerShell using Run As Administrator
In the PowerShell Window type:
The number next to Stack: is the WINRM version that is Installed on the server.
To check If WinRM is running type:
Get-service winrm and you will see the status