Microsoft Download Center Archive
 | Update 4.0.3 Beta for Microsoft .NET Framework 4 – Runtime Update (KB2599651) |
This is Update 4.0.3 Beta for Microsoft .NET Framework 4 containing a set of new features addressing top customer feature requests and important .NET Framework scenarios.
- Update 4.0.3 Beta for Microsoft .NET Framework 4 package contains updated runtime files. For further details about the contents of this Runtime Update please refer to the Knowledge Base Article KB2599651.
After you install this update, you may have to restart your computer.
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Files
 | Status: LiveThis download is still available on microsoft.com. The downloads below will come directly from the Microsoft Download Center. |
| File | Size |
|---|---|
 NDP40-KB2599651-x86-IA64.exeSHA1: 7fcc3b4710865c9a3d9496d521f8c739606a5d23 | 54.45 MB |
| NDP40-KB2599651-x86-x64.exe SHA1: c4ea281433e23fdcd79fecd0c53af441b9ba9c5c | 47.87 MB |
File sizes and hashes are retrieved from the Wayback Machine’s indexes. They may not match the latest versions of files hosted on Microsoft servers.
System Requirements
Operating Systems: Windows 7, Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows Vista, Windows XP
Note: More information about Service Pack levels currently supported for the platforms listed above can be found in the following page: Microsoft Product Support Lifecycle.
Installation Instructions
- Click the Download button on this page to start the download, or select a different language from the Change language drop-down list and click Change.
- Do one of the following:
- To start the installation immediately, click Run.
- To save the download to your computer for installation at a later time, click Save.
- To cancel the installation, click Cancel.