A software patch is a small update designed to fix bugs, improve performance, or enhance security in a software program. These patches are essential for maintaining the functionality and safety of applications, as they address vulnerabilities that could be exploited by malicious users. Patches can be released by software developers, such as Microsoft or Apple, and are often distributed automatically through the internet. Users are encouraged to install these updates promptly to ensure their systems remain secure and efficient, preventing potential issues that could arise from outdated software.