Third-party apps often provide a more user-friendly interface than manual configuration. Below are reliable free downloads compatible with Windows 8.1: Mars WiFi - Free WiFi HotSpot - Download
To set up a WiFi hotspot on Windows 8.1 for free, you can use specialized third-party software or the operating system's built-in command prompt features. While Windows 8.1 has reached its end of support from Microsoft as of January 2023, many lightweight tools still allow you to share your internet connection with smartphones, tablets, or other laptops. Best Free WiFi Hotspot Software for Windows 8.1 wifi hotspot for windows 8.1 free download