Update prereqs

Author: baanders

includes/digital-twins-tutorial-sample-prereqs.md

@@ -1,17 +1,19 @@
 ---
 author: baanders
-description: include file for Azure Digital Twins tutorials - prerequisites for the sample project
+description: prerequisites for Azure Digital Twins tutorials
 ms.service: digital-twins
 ms.topic: include
-ms.date: 6/22/2022
+ms.date: 9/26/2022
 ms.author: baanders
 ---
 
 ## Prerequisites
 
-Before beginning this tutorial, start by completing the prerequisites in this section.
+Before beginning this tutorial, start with these prerequisites:
+* If you don't have an Azure subscription, create a [free account](https://azure.microsoft.com/free/?WT.mc_id=A261C142F) before you begin.
+* This tutorial uses .NET Core 3.1. You can download this version of the .NET Core SDK for multiple platforms from [Download .NET Core 3.1](https://dotnet.microsoft.com/download/dotnet-core/3.1).
 
-If you don't have an Azure subscription, create a [free account](https://azure.microsoft.com/free/?WT.mc_id=A261C142F) before you begin.
+Then, continue through the rest of this section to set up the remaining prerequisites.
 
 ### Get required resources