You are deploying an Office 365 tenant that uses an Enterprise E3 subscription. You have a legacy application that requires the use of Office 2010 on client computers.
A number of users download and install Office 365 ProPlus. They are no longer able to run the legacy application. You must prevent users from installing Office 365 ProPlus on client computers. The users must be able to install Office on tablets and phones.
You need to configure the Office 365 users.
From the Office 365 admin center, what should you do? users can install from the Software page in Office 365. Whichever choices you make, they apply to all users in your organization. https://support.office.com/en-us/article/Manage-user-software-in-Office-365-c13051e6-f75c-4737-bc0d-

A.
Assign and configure a rights management license to the user accounts.

B.
Remove the service administrator privileges from the user accounts.

C.
Reassign the user accounts an Enterprise E1 subscription.

D.
Remove Office 365 ProPlus from the available user software.

Explanation:

As an Office 365 admin, you can control which Office software your users can download and install from Office
365. The choices you make on the Manage user software through Office 365 page determine which software
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