Install Powershell Module For Sharepoint

Elevate yourself as SPO Admin

Open PS ISE as admin

Install-Module -Name Microsoft.Online.SharePoint.PowerShell

If you don’t have administrative privileges on the system, you can install the SharePoint Online Management Shell only for the current user by running the following command:

Install-Module -NameMicrosoft.Online.SharePoint.PowerShell -ScopeCurrentUser