This document provides instructions for creating a wireless ad hoc internet connection on Windows 10. It explains that Windows 10 does not natively support ad hoc networks, but you can use the Internet Connection Sharing (ICS) feature to share an internet connection wirelessly. The steps include using Command Prompt to configure and start a hosted network, then enabling ICS and selecting the hosted network to share the internet connection. It also discusses a possible error of "The hosted network couldn't be started" and provides fixes such as enabling sharing options and ensuring the wireless adapter allows power management.