diff --git a/README.md b/README.md
index d59c465fc88636616dd31b1b2eb47187b2656ab7..6a17216443e8ab7a418227d8b5f011a122c06be1 100644
--- a/README.md
+++ b/README.md
@@ -36,8 +36,9 @@ Discussion about the transition of language design to the new repos is at https:
 
 ### Download C# and Visual Basic
 
-Want to start developing in C# and Visual Basic? Download [Visual Studio 2017](https://www.visualstudio.com/downloads/), 
-which has the latest features built-in. There are also [prebuilt Azure VM images](https://azuremarketplace.microsoft.com/en-us/marketplace/apps/category/compute?search=visual%20studio%202017) available with Visual Studio 2017 already installed.
+Want to start developing in C# and Visual Basic? Download [Visual Studio 2017](https://www.visualstudio.com/downloads/), which has the latest features built-in. There are 
+also [prebuilt Azure VM images](https://azuremarketplace.microsoft.com/en-us/marketplace/apps/category/compute?search=visual%20studio%202017) available with 
+Visual Studio 2017 already installed.
 
 To install the latest release without Visual Studio, run one of the following [nuget](https://dist.nuget.org/index.html) command lines:
 
diff --git a/build/Targets/Imports.targets b/build/Targets/Imports.targets
index d469356c9c5fcc5ee2db796f4edfdc60cda51a0a..fd94a9f96b0771e460ede7b39f71cf3970dcd314 100644
--- a/build/Targets/Imports.targets
+++ b/build/Targets/Imports.targets
@@ -469,8 +469,8 @@
   <Target Name="BeforeBuild" Condition="'$(MSBuildRuntimeType)' != 'Core'">
     <ValidateBuildEnvironment
       MSBuildBinPath="$(MSBuildBinPath)"
-      MSBuildMinimumFileVersion="15.1.1012"
-      MSBuildMinimumDisplayVersion="MSBuild 15.1"
+      MSBuildMinimumFileVersion="15.3.409"
+      MSBuildMinimumDisplayVersion="MSBuild 15.3"
       />
 
     <Error 
diff --git a/docs/contributing/Building, Debugging, and Testing on Unix.md b/docs/contributing/Building, Debugging, and Testing on Unix.md
index cb2b21c69130917d6d215d81d4368bf5bf7931dd..55f943dad3bbcb4a7e71d1bc99d5774a391ebb00 100644
--- a/docs/contributing/Building, Debugging, and Testing on Unix.md	
+++ b/docs/contributing/Building, Debugging, and Testing on Unix.md	
@@ -1,12 +1,13 @@
 # Getting the Code
 
+1. Install the [.NET Core SDK](https://www.microsoft.com/net/download/core)
 1. Clone https://github.com/dotnet/roslyn
-1. Run `make toolset` to download the bootstrap compiler, mono and NuGet packages.
-1. Run `make` to build the code.  
+1. Run `dotnet restore CrossPlatform.sln`
+1. Run `dotnet build CrossPlatform.sln`
 
 # Running Tests
 
-After building run `make test` in order to run the unit tests.
+After building run `build\scrits\test.sh` in order to run the unit tests.
 
 # Contributing
 
diff --git a/docs/contributing/Building, Debugging, and Testing on Windows.md b/docs/contributing/Building, Debugging, and Testing on Windows.md
index a338632aca97b62afcd35b51b182e65e19713a94..a5097d1aa222985d4869ed092daa0ae04aba7216 100644
--- a/docs/contributing/Building, Debugging, and Testing on Windows.md	
+++ b/docs/contributing/Building, Debugging, and Testing on Windows.md	
@@ -11,13 +11,14 @@ Using the command line Roslyn can be developed using the following pattern:
 
 ## Developing with Visual Studio 2017
 
-1. [Visual Studio 2017 Update 3 Preview 1](https://www.visualstudio.com/vs/preview/)
+1. [Visual Studio 2017 Update 3](https://www.visualstudio.com/vs/)
     - Ensure C#, VB, MSBuild and Visual Studio Extensibility are included in the selected work loads
-    - Ensure Visual Studio is on Version "15.3 (25610.0-Preview)" or greater
+    - Ensure Visual Studio is on Version "15.3" or greater
+1. [.NET Core SDK 2.0](https://www.microsoft.com/net/download/core)
 1. Run Restore.cmd
 1. Open Roslyn.sln
 
-If you already installed Visual Studio and need to add the necessary work loads or move to update 1
+If you already installed Visual Studio and need to add the necessary work loads or move to update 3
 do the following:
 
 - Open the vs_installer.  Typically located at "C:\Program Files (x86)\Microsoft Visual Studio\Installer\vs_installer.exe"
diff --git a/src/Compilers/CSharp/Portable/CSharpCodeAnalysis.csproj b/src/Compilers/CSharp/Portable/CSharpCodeAnalysis.csproj
index bc8aca440fd623b2d81c9efa1fb4fbdc31133d2e..8c9c837c74d72e897cc21c6fe7cf67891bed6f28 100644
--- a/src/Compilers/CSharp/Portable/CSharpCodeAnalysis.csproj
+++ b/src/Compilers/CSharp/Portable/CSharpCodeAnalysis.csproj
@@ -92,4 +92,4 @@
   </ItemGroup>
   <Import Project="..\CSharpAnalyzerDriver\CSharpAnalyzerDriver.projitems" Label="Shared" />
   <Import Project="..\..\..\..\build\Targets\Imports.targets" />
-</Project>
\ No newline at end of file
+</Project>