README: Add a screenshot showing how to run meson on windows

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-build/-/merge_requests/161>

1 files changed, 11 insertions, 2 deletions

diff --git a/README.md b/README.md
index 66669ece66..524e1cdc59 100644
--- a/README.md
+++ b/README.md
@@ -47,8 +47,8 @@ ninja -C builddir
 This will automatically create the `build` directory and build everything
 inside it.
 
-NOTE: On Windows, you *must* run this from inside the Visual Studio command
-prompt of the appropriate architecture and version.
+NOTE: On Windows, you *must* run this from [inside the Visual Studio command
+prompt](#running-meson-on-windows) of the appropriate architecture and version.
 
 ### External dependencies
 
@@ -319,6 +319,15 @@ Note that Meson is written entirely in Python, so you can also run it as-is
 from the [git repository](https://github.com/mesonbuild/meson/) if you want to
 use the latest master branch for some reason.
 
+### Running Meson on Windows
+
+At present, to build with Visual Studio, you need to run Meson from inside the
+VS 2019 command prompt. Press `Start`, and search for `VS 2019`, and click on
+`x64 Native Tools Command Prompt for VS 2019`, or a prompt named similar to
+that:
+
+![x64 Native Tools Command Prompt for VS 2019](/data/images/vs-2019-dev-prompt.png)
+
 
 ### Setup a mingw/wine based development environment on linux