update README

README.md

@@ -22,10 +22,10 @@ interface definitions. This includes:
 - Two types for parameters and signals (i32 and double)
 - Skeleton definitions of required VeriStand interface functions
 - Tabs or spaces for indentation (default is 2 spaces)
-- Optionally generates a makefile to build the model for VeriStand (at the
-  moment, only Linux x86\_64 targets are supported)
+- Optionally generates a makefile to build the model for VeriStand
   - Optionally generates a batch file to use NI's toolchain to build with the
     generated makefile
+  - Supported architectures: Linux x86_64, Windows x86 and x64<sup>\*</sup>
 - The generated code stands alone and does not need to be edited, making it safe
   to regenerate without erasing user code
 - Generates function prototypes to be defined elsewhere which implement the
@@ -43,6 +43,9 @@ don't need to change unless you change specific things. This way you can safely
 regenerate the VeriStand model source without accidentally overwriting your
 model's code!
 
+<sup>\*</sup> *Building for Windows requires Visual Studio 2017 or newer
+installed with the C/C++ build tools included.*
+
 ## Usage Example
 
 *Run the script with `-h` or `--help` for a quick reference on all of the