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- In Windows 8 or Windows Server 2012, open a Command Prompt window with administrative credentials (that is, choose Run as administrator).
- To install the .NET Framework 3.5 from installation media located in the D:\sources\sxs directory, use the following command:
No Format DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:d:\sources\sxs{color}
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Troubleshooting
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If installing the .NET Framework 3.5 in Control Panel fails, you may get one of the following error messages:
- 0x800f0906: “Windows couldn't connect to the Internet to download necessary files. Make sure that you're connected to the Internet, and click Retry to try again.”
- 0x800F081F: “The changes could not be completed. Please reboot your computer and try again.”