Windows 8.1 is a release of the Windows NT operating system developed by Microsoft. It was released to manufacturing on August 27, 2013, and broadly released for retail sale on October 17, 2013, about a year after the retail release of its predecessor. It was Microsoft's operating system for use on personal computers, including home and business desktops, laptops, tablet PCs and media center PCs until it was succeeded by Windows 10 on July 29, 2015. Windows 8.1 was made available for download via MSDN and Technet and available as a free upgrade for retail copies of Windows 8 and Windows RT users via the Windows Store. A server counterpart was released on October 18, 2013, entitled Windows Server 2012 R2. Microsoft ended mainstream support for Windows 8.1 on January 9, 2018, and extended support will end on January 10, 2023.

SVG is the standard format for storing vector graphics such as icons, banners, charts and illustrations.
Boxy SVG project goal is to create the best SVG editor for non-technical users as well as for professional designers and developers.

In the distribution there are small additions for Matlab 9.11 R2021b for all three platforms , expanding the functionality of Matlab.