Microsoft license products, as PSW or FTSL, activated via MAK (Multiple Activation Key) are not eligible for Microsoft Support.
Excel LTSC 2024 helps you to analyze and visualize data more powerfully with new capabilities including Dynamic Charts with Dynamic Arrays, 14 new Text and Array functions, and a new Accessibility Ribbon to make it easier to create spreadsheets that more people can use. Excel LTSC 2024 also includes improved speed and performance when multiple workbooks are open.