(GH-338) Clarify WinGet installation in overview (#339)

Prior to this change, it was only implicit that the documentation
directed users to search for an install DSC from the Microsoft
Store with WinGet.

This change makes the directive more explicit and updates the search
command to specify the store as the source to search.

Author: michaeltlombardi

dsc/docs-conceptual/dsc-3.0/overview.md

@@ -2,7 +2,7 @@
 description: >-
   Learn about Microsoft's Desired State Configuration platform, including what it does and when
   it should be used.
-ms.date: 03/25/2025
+ms.date: 06/09/2025
 ms.topic: overview
 title:  Microsoft Desired State Configuration overview
 ---
@@ -88,12 +88,13 @@ To install DSC on any platform:
 
 ### Install DSC on Windows with WinGet
 
-The following commands can be used to install DSC using the published `winget` packages:
+The following commands can be used to install DSC using the published `winget` packages from the
+Microsoft Store:
 
-Search for the latest version of DSC
+Search for the latest version of DSC:
 
 ```powershell
-winget search DesiredStateConfiguration
+winget search DesiredStateConfiguration --source msstore
 ```
 
 ```Output