Functionality previously provided by Flash has been replaced by more secure open-source standards like HTML5, WebGL, and WebAssembly . Recommended Actions for XP Users

The term "hot" in relation to Flash on XP often refers to the constant stream of and "hotfixes" that defined its later years. Part 1. Why Use Adobe Flash in the First Place? - Blog

However, the inclusion of the word "hot" in the query adds a layer of complexity. In the world of computing, "hot" is rarely a positive descriptor for software. It usually signals a problem: a laptop overheating, a CPU throttling due to poor code, or a "hotfix"—an urgent patch released to fix a critical security vulnerability. Flash Player was notorious for being resource-heavy. It could take a perfectly good Windows XP machine and turn it into a space heater, causing fans to whir loudly and frames to drop. The query "Adobe Flash Player 10.4 XP hot" likely represents the desperate digital cry of a user in the mid-2000s, trying to find a solution to a computer that was running too hot or a browser that was crashing too often.