There are two ways of installing KMyMoney on Windows. Which method you choose depends on what you would like to achieve:
Run the KDE on Windows installer and follow these simple steps
1. Select the source of the installation
2. Select the directory where to install KMyMoney (together with the KDE on Windows project files), to uninstall KMyMoney later just delete this folder
3. Select the installer's operation mode and the development platform (which compiler was used to build KMyMoney)
4. Select a directory where the temporary files will be downloaded (can be deleted after installation)
5. If you have a proxy this is the place to configure it
6. Select a mirror (http://winkde.org is recommended)
7. Select a KDE release (the screenshot is showing 4.5.4 but 4.7.0 is the latest)
8. Search for KMyMoney and select it for installation then accept the package list
9. Wait for the installation to finish then you can run KMyMoney from the Start menu
After KMyMoney was installed follow these simple steps to update it when a new version is available