AutoIt is intended for use on the Microsoft Windows operating system. It is compatible with versions from Windows XP onwards.
Download the installation utility from https://www.autoitscript.com/site/autoit/downloads/
If installing on a 64-bit version of Windows, the user is prompted to choose a 64- or 32-bit installation. The choice affects the compilation utilities that are installed alongside the script interpreter.
The installation utility will install into the given directory: