An update is available for Microsoft Silverlight 5 for Windows

This article describes the Microsoft Silverlight 5 for Windows download version 5.1.40620.0.

Original product version:   Silverlight
Original KB number:   3075609


The Silverlight 5 for Windows download version 5.1.40620.0 is available. It includes all security fixes in MS15-044 (MS15-044: Description of the security update for Silverlight 5: May 12, 2015) and is functionally identical to Silverlight 5 for Windows version 5.1.40416.0. This download is an upgrade for earlier versions of Silverlight.

Integration of MSN and Bing default

The Silverlight installer now includes options to set MSN as your default homepage and Bing as your default search engine. Automated silent installations and upgrades (for example, those performed by Microsoft Update and Windows Server Update Services) do not use the Silverlight installer user interface and will not change your homepage or search engine.

Download information

You can install the 5.1.40620.0 version of Silverlight 5 from the Get Microsoft Silverlight page if you do not have Silverlight version 5.1.40416.0 installed. The 5.1.40620.0 version is not available through Microsoft Update.


This download applies to any Windows operating systems that are supported by Silverlight. It does not require a previous installation of Silverlight.

Restart requirement

You do not have to restart your computer to complete this installation.

Other ways to install this download

Every version of Silverlight 5 for Windows includes a self-updater that can periodically scan for the latest updates to the Silverlight plug-in. If the self-updater is enabled and detects a new version, the plug-in prompts you to download and install the update.

File information

The global version of this download has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

For all supported 64-bit releases of Microsoft Silverlight 5 for Windows

File name File version File size Date Time Platform
Silverlight_x64.exe 5.1.40620.0 13,161,184 20-June-2015 9:57 x64

For all supported 32-bit releases of Microsoft Silverlight 5 for Windows

File name File version File size Date Time Platform
Silverlight.exe 5.1.40620.0 7,018,208 20-June-2015 8:50 x86