Compatible Operating Systems and Browsers
| Operating System | Internet Explorer 9 | Internet Explorer 8 | Internet Explorer 7 | Internet Explorer 6 | Firefox 3.6+ | Safari 4+ | Chrome 12+ |
|---|---|---|---|---|---|---|---|
| Windows Vista | - | - | |||||
| Windows 7 | - | - | - | ||||
| Windows 7 SP1 | * | - | - | - | |||
| Windows Server 2008 SP2 | - | - | - | ||||
| Windows Server 2008 R2 SP1 | * | * | - | - | - | ||
| Windows Server 2003, Windows XP SP2, SP3 | - | - | - | ||||
| Macintosh OS 10.5.7+ (intel-based) | - | - | - | - | - |
* Supports 64-bit mode
Silverlight 4 Compatible Operating Systems and Browers found here.
Minimal Requirements
| Components | Requirement |
| Windows | X86 or x64 (64-bit mode support for IE only) 1.6-gigahertz (GHz) or higher processor with 512-MB of RAM |
| Macintosh (Intel-based) | Intel Core Duo 1.83-gigahertz (GHz) or higher processor with 512-MB of RAM |
Uninstalling previous versions of Silverlight
See a video on how to uninstall Silverlight on Windows XP
See a video on how to uninstall Silverlight on Windows Vista
See a video on how to uninstall Silverlight on Mac
To find out how to uninstall the following plug-ins, visit the Removing Silverlight Controls on Windows page:
- Silverlight
- "WPF/E" Community Technology Preview (Feb 2007)
- "WPF/E" Community Technology Preview (Dec 2006)
Note: If you do not see any of the above installed on your computer, then you have not installed a previous version of Silverlight, or you have already successfully uninstalled it. You can install the latest version of Silverlight.
For installation support, visit our support page.

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