DevExpress typically only provides trials for the latest major version . If you need to evaluate 15.2 specifically for a legacy environment, you must contact their Support Center to request a custom solution. Key Features of the 15.2 Release
If you have an active or expired license that included v15.2, you can find the installer (e.g., DevExpressComponents-15.2.x.exe ) by logging into the DevExpress Download Manager .
Enhanced ASP.NET batch editing, new web page templates optimized for touch, and a dedicated Web Map module.