Windows 10 is a popular operating system for gaming, offering a wide range of features and customization options. However, the standard Windows 10 installation media may not be optimized for gaming performance. This is where custom Windows 10 ISOs come into play. A custom Windows 10 ISO is a modified version of the original installation media, optimized for specific purposes such as gaming. In this paper, we will explore the best custom Windows 10 ISOs for gaming, highlighting their features, benefits, and performance.