Computer Configuration > Administrative Templates > Microsoft Edge Update > Microsoft Edge WebView2 Runtime
Machine
HKLM\Software\Policies\Microsoft\EdgeUpdate
Lets you specify whether the WebView2 Runtime can be installed using Microsoft Edge Update. If you enable (1) this policy, users can install the WebView2 Runtime through Microsoft Edge Update. If you disable (0) this policy (or set it to 'Installs disabled'), users cannot install the WebView2 Runtime through Microsoft Edge Update. If you set this policy to Always allow Machine-Wide Installs but not Per-User Installs (4), the WebView2 Runtime will only be deployed machine-wide. If you set the policy to Force Installs (Machine-Wide) (5), users can install the WebView2 Runtime to all machines where Microsoft Edge Update is pre-installed. Requires Microsoft Edge Update 1.3.155.43 or higher. If you don't configure this policy, the WebView2 Runtime will be installed through Microsoft Edge Update.