diff --git a/README.md b/README.md
index eab23b86ae4..1ca5e0ef659 100644
--- a/README.md
+++ b/README.md
@@ -38,8 +38,10 @@ To build on Windows:
     * Install [CMake](https://cmake.org/install/)
     * Install [Visual Studio 2019 (version 16.3 or later)](https://visualstudio.microsoft.com/downloads/). Make sure you install the following workloads:
         * **Desktop development with C++**
+        * **From the Individual Components tab in VS Installer add Spectre-mitigated libs that match your C++ build tools version**
         * **.NET Core 3 cross-platform development**
 2. Run [bootstrap.cmd](bootstrap.cmd) from the `Developer Command Prompt for VS 2019`.
+    * pre-req (in PowerShell): `Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser`
     * This script prepares and builds the native (C++) full-state simulator.
     * You only need to run it once.
 3. Open and build the [`Simulation.sln`](./Simulation.sln) solution in Visual Studio.