Microsoft Download Center Archive
 | Microsoft .NET Framework 4 Platform Update 1 - Runtime Update (KB2478063) |
This is a Platform Update to the Microsoft .NET Framework 4 containing a set of new features addressing top customer feature requests and important .NET Framework scenarios.
- This Platform Update 1 (PU1) package contains updated runtime files. For further details about the contents of this Platform Update 1 - Runtime Update please refer to the Knowledge Base Article KB2478063.
After you install this update, you may have to restart your computer.
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Files
 | Status: DeletedThis download is no longer available on microsoft.com. The downloads below are archives provided by the Internet Archive Wayback Machine from the Microsoft Download Center prior to August 2020. |
| File | Size |
|---|---|
 NDP40-KB2478063-IA64.exeSHA1: d3e7ca814642266ea9adaa3f9379034724ac99c9 | 3.48 MB |
| NDP40-KB2478063-x64.exe SHA1: 56387908c917bc9cfd990341de5de75bd4149c63 | 3.49 MB |
| NDP40-KB2478063-x86.exe SHA1: 7e89be10229968ab6a6e92042c48d35a315f910d | 3.44 MB |
System Requirements
Operating Systems: Windows 7, Windows 7 Service Pack 1, Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 R2 SP1, 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.