Please follow the instructions below:
1. Download and install the Edge Administrative Templates:
2. Open Group Policy Management
3. Create a new GPO for the policy (or add to an existing policy)
4. Right-click your GPO, and select Edit
5. You will then see the Group policy management Editor window
6. Expand the Computer/User configuration tree on the left-hand side, depending on how you wish to configure your policy
7. Right-click on Administrative templates and select Add/Remove Templates
8. Click on Add
9. Browse to the templates you downloaded in step 2 and open the msedge.adm template that is relevant to your operating system and Language.
10. Once uploaded, expand to the following path (may vary depending on your OS) on the left of the Group policy management editor:
Computer/User configuration > Policies > Administrative templates > Classic administrative templates > Microsoft Edge > Extensions >
11. On the right-hand side, select Configure the list of force-installed extensions
12. Right-click, and select Edit
13. Mark the Enabled button
14. Click the Show… button
15. Under the Value column, enter the following:
bjglhpoliipklkfjcahfefdlfpifcinb;https://edge.microsoft.com/extensionwebstorebase/v1/crx
16. Click OK, followed by Apply
17. Back in the Group Policy Management window, assign this policy to users/computers as normal
18. Users affected by this GPO should now see the Edge extensions installed and enabled automatically (once the GPO has updated on their machine).