Version 8.1 refers to a specific release of software or a system that includes updates, improvements, and new features compared to previous versions. This version number typically indicates that it is a minor update, building on the foundation of version 8.0 while addressing bugs and enhancing performance. In many software applications, such as operating systems or productivity tools, versioning helps users identify the capabilities and stability of the software. For example, Microsoft Windows and Adobe Photoshop both use version numbers to signify updates, ensuring users can access the latest functionalities and security patches.