fix prerequisites windows

Signed-off-by: Van Malleghem Antoine <[email protected]>

tutorials/02_installation.md

@@ -205,7 +205,7 @@ sudo make uninstall
 
 ### Prerequisites
 
-First, follow the [gz-cmake](https://github.com/gazebosim/gz-cmake) tutorial for installing Conda, Visual Studio, CMake, etc., prerequisites, and creating a Conda environment.
+First, follow the [source installation](https://gazebosim.org/docs/ionic/install_windows_src/) tutorial until step 5 included for installing Conda, Visual Studio, CMake, etc., prerequisites, and creating a Conda environment.
 
 Navigate to `condabin` if necessary to use the `conda` command (i.e., if Conda is not in your `PATH` environment variable. You can find the location of `condabin` in Anaconda Prompt, `where conda`).