DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:C:\temp
Breakdown of switches:
Q: Can I use the same offline installer for Windows 11 64-bit?
A: Yes. The Windows 10 64-bit offline installer (via sxs folder) works perfectly on Windows 11. Net Framework 3.5 Offline Installer Windows 10 64 Bit
Q: My software requires .NET 3.5 SP1 (Service Pack 1). Is this included? A: Yes. The offline feature includes .NET Framework 3.5 SP1, which contains 2.0, 3.0, and 3.5 SP1 cumulative updates. Breakdown of switches: Q: Can I use the
Q: I got the error "0x80070057". What now?
A: This is typically an invalid parameter. Ensure your /source path uses backslashes and does not contain trailing spaces. Use the full offline installer package (if available)
Q: Is there a single .exe offline installer?
A: Microsoft does not provide a standalone .exe for the full offline package anymore. The DISM method with ISO or Microsoft Update Catalog is the official way. Avoid third-party dotnetfx35_full.exe websites—they are often infected.
Use the full offline installer package (if available)
Using Server Manager / Turn Windows features on or off (GUI)