Ensure that you install
ReactiveUI.WinForms into your application.
Your viewmodels should inherit from
WhenActivated for lifecycle
Keep references to your subscriptions
Use disposables to manage lifetime, scope and resources:
Don't use eventhandlers, use the extension methods shipped in
Use your normal WinForms concepts that you would usually use in WinForms development. There's also some extension methods which will make your life easier