Hi @Ramakrishnan R ,
This installer you've downloaded is meant for v109 down-level extended support on Win 7, 8, and 8.1 (including Server 2012 R2 which is based on Win 8.1), so you're supposed to install it on one of these platforms and it only serves as an update.
If you would like to install WebView2, you can visit https://developer.microsoft.com/en-us/microsoft-edge/webview2/.
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