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Using Microsoft 365 Copilot on a shared PC.

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Q. How can I use Microsoft 365 Copilot on a shared PC?


A. Microsoft 365 Copilot can be used on a shared PC if all of the following conditions are met.

*From January 2025, the name "Microsoft 365" was changed to "Microsoft 365 Copilot".

※Requirements※

  • All users who will be using it must have an A3 license.
  • Enable Shared computer activation for Microsoft 365 Apps.
  • The shared PC must be running Windows.
  • Each user must sign in to the shared PC using their own local account.

First, verify that all users have the required licenses and that the shared PC is running a supported Windows OS.
If the requirements are met, follow the steps below to enable Shared Computer Activation for Microsoft 365 Apps. After completing the configuration, create a separate local account on the PC for each user.

Reference: How can I verify if I have a Microsoft 365 Copilot license?

■How to enable shared computer activation for Microsoft 365 Apps

  1.  
    1.  Use the following site as a reference to install Microsoft 365 Copilot on the shared PC.
      Reference: How to Use Microsoft 365 Apps.
       
    2.  Click the link below for the Microsoft 365 Shared Computer Activation (SCA) troubleshooting tool.
      https://aka.ms/SaRA-OfficeSCA-sarahome
       
    3. On the "We're here to help" screen, select "Yes" for "Do we have your consent to run this" and "Add" for "Do you want to Add".


      *To disable it, select "Remove" for "Do you want to Add or Remove the Office Shared Activation".

       

*To disable it, select "Remove" for "Do you want to Add or Remove the Office Shared Activation".

  1.  "Completed The Office SCA troubleshooter successfully." screen, close the window.

     
  2.  Launch any Office application (Excel, Word, etc.).
     
  3.  Enter your THERS account (e.g., ab.12c.3456@f.thers.ac.jp, @s.thers.ac.jp, or @a.thers.ac.jp) and your password, then sign in.
     
  4.  From the File tab choose Account, click About Word, and confirm that "Shared Computer Activation" appears under the product information — if it does, activation is complete.


    *If disabled, deactivation is complete when "Shared Computer Activation" has been replaced by "License ID" in the display.

For details about Shared Computer Activation, please refer to the Microsoft 365 Learn page linked below.
Reference: Overview of shared computer activation for Microsoft 365 Apps
 

For instructions on how to create a local Windows account, please see the article below.
Reference: How to create a Windows local account.

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