Or you can change the nuget source to https://www.nuget.org/api/v2/ in Visual Studio options.
and In the Nuget Package Manger change the Package source the new source
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Visual Studio2022: Nuget package manager is giving error:
Unable to load the service index for source https://api.nuget.org/v3/index.json.
Or you can change the nuget source to https://www.nuget.org/api/v2/ in Visual Studio options.
and In the Nuget Package Manger change the Package source the new source