AutoHotkey is a free, open-source scripting language for Microsoft Windows. It allows users to create keyboard shortcuts or hotkeys, fast macro-creation and software automation. It allows users to automate repetitive tasks in any Windows application. User interfaces can be extended or modified by AutoHotkey. For example, replacing the Windows control key commands with their Emacs equivalents. The AutoHotkey installation includes a help file. Documentation is available on the internet.