diff --git a/INSTALL.md b/INSTALL.md
index 236403a31f..35fe85dc0e 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -8,7 +8,7 @@ Windows
 
 Compiling OpenRA requires the following dependencies:
 * [Windows PowerShell >= 4.0](http://microsoft.com/powershell) (included by default in recent Windows 10 versions)
-* [.NET Framework >= 4.7.2](https://dotnet.microsoft.com/download/dotnet-framework/net472) (included by default in recent Windows 10 versions)
+* [.NET Framework 4.6.1 (Developer Pack)](https://dotnet.microsoft.com/download/dotnet-framework/net461) (or via Visual Studio 2017)
 
 Type `make dependencies` in a command terminal to download pre-compiled native libraries for:
 * [SDL 2](http://www.libsdl.org/download-2.0.php)
diff --git a/packaging/windows/OpenRA.nsi b/packaging/windows/OpenRA.nsi
index 23526647d5..11d36bb3c9 100644
--- a/packaging/windows/OpenRA.nsi
+++ b/packaging/windows/OpenRA.nsi
@@ -181,9 +181,9 @@ Section "-DotNet" DotNet
 	; https://docs.microsoft.com/en-us/dotnet/framework/migration-guide/how-to-determine-which-versions-are-installed
 	ReadRegDWORD $0 HKLM "SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full" "Release"
 	IfErrors error 0
-	IntCmp $0 461808 done error done
+	IntCmp $0 394254 done error done
 	error:
-		MessageBox MB_OK ".NET Framework v4.7.2 or later is required to run OpenRA."
+		MessageBox MB_OK ".NET Framework v4.6.1 or later is required to run OpenRA."
 		Abort
 	done:
 SectionEnd