If you are a Linux developer, but need to check your LibreOffice code on Windows from time to time, this is the session for you! Cross-compiling LibreOffice for Windows using MinGW is trivial, and you can even directly run the result on your Linux machine without having to upload the results to a virtual host, or to a Windows machine. You can use your familiar environment during development, and also the build times are shorter than on real Windows. This How-To session will help you to set up the environment for cross-compilation, and will show few tricks you should learn.