doc: Update Windows build instructions to include debugging tools (#1…

…5765)

docs/development/build-instructions-windows.md

@@ -27,6 +27,11 @@ store from `.pdb` files.
   Windows SDK to install. Another option would be to look at the
   [Windows SDK and emulator archive](https://developer.microsoft.com/en-us/windows/downloads/sdk-archive)
   and download the standalone version of the SDK respectively.
+  * The SDK Debugging Tools must also be installed. If the Windows 10 SDK was installed
+  via the Visual Studio installer, then they can be installed by going to:
+  `Control Panel` → `Programs` → `Programs and Features` → Select the "Windows Software Development Kit" →
+  `Change` → `Change` → Check "Debugging Tools For Windows" → `Change`.
+  Or, you can download the standalone SDK installer and use it to install the Debugging Tools.
 
 If you don't currently have a Windows installation,
 [dev.microsoftedge.com](https://developer.microsoft.com/en-us/microsoft-edge/tools/vms/)