Recommend 64-bit Windows builds

Author: argilo

README.md

@@ -50,7 +50,7 @@ To build the program for Windows, you can either use [MSYS2](http://www.msys2.or
 
 ### Building on Windows with MSYS2
 
-Install [MSYS2](http://www.msys2.org). Open a terminal using the "MSYS2 MinGW 32-bit" shortcut. (Or use the 64-bit shortcut if you prefer a 64-bit build.)
+Install [MSYS2](http://www.msys2.org). Open a terminal using the "MSYS2 MinGW 64-bit" shortcut. (Or use the 32-bit shortcut if you prefer a 32-bit build.)
 
     pacman -Syu
 
@@ -69,24 +69,24 @@ You can test your installation using the included sample file:
 
 If the sample file does not work, make sure you followed all of the instructions. If it still doesn't work, file an issue with the error message. Please put "[Windows]" in the title of the issue.
 
-Once everything is built, you can run nrsc5 independently of MSYS2. Copy the following files from your MSYS2/mingw32 directory (e.g. C:\\msys64\\mingw32\\bin):
+Once everything is built, you can run nrsc5 independently of MSYS2. Copy the following files from your MSYS2 mingw64 (or mingw32) directory (e.g. C:\\msys64\\mingw64\\bin):
 
 * libnrsc5.dll
 * nrsc5.exe
 
 ### Cross-compiling for Windows from Ubuntu / Debian
 
     sudo apt install mingw-w64
-    support/win-cross-compile 32
+    support/win-cross-compile 64
 
-Replace `32` with `64` if you want a 64-bit build. Once the build is complete, copy `*.dll` and `nrsc5.exe` from the `build-win32/bin` (or `build-win64/bin`) folder to your Windows machine.
+Replace `64` with `32` if you want a 32-bit build. Once the build is complete, copy `*.dll` and `nrsc5.exe` from the `build-win64/bin` (or `build-win32/bin`) folder to your Windows machine.
 
 ### Cross-compiling for Windows from macOS
 
     brew install mingw-w64
-    support/win-cross-compile 32
+    support/win-cross-compile 64
 
-Replace `32` with `64` if you want a 64-bit build. Once the build is complete, copy `*.dll` and `nrsc5.exe` from the `build-win32/bin` (or `build-win64/bin`) folder to your Windows machine.
+Replace `64` with `32` if you want a 32-bit build. Once the build is complete, copy `*.dll` and `nrsc5.exe` from the `build-win64/bin` (or `build-win32/bin`) folder to your Windows machine.
 
 ## Usage