How to enable .NET Core 3 preview SDK in VS2019? : <p>I wanted to try out Blazor. I've installed .NET Core 3.0 preview 5 SDK, Blazor VS extension to enable project templates. I can create Blazor project, but I can't run it - I constantly get this notification.
<a href="https://i.stack.imgur.com/d3eBN.png" rel="noreferrer"><img src="https://i.stack.imgur.com/d3eBN.png" alt="enter image description here"></a></p>

<p>In some tutorials I see that there should be a checkbox in VS options - to enable using of preview SDKs.</p>

<p>But it's not there in VS2019! Version is 16.1.1</p>

<p><a href="https://i.stack.imgur.com/TQST1.png" rel="noreferrer"><img src="https://i.stack.imgur.com/TQST1.png" alt="enter image description here"></a></p>
