To install .NET Framework 3.5 (which includes .NET 2.0 and 3.0) on Windows 10 or 11 without an internet connection, you can use the official standalone installer or the Windows installation media. 1. Official Standalone Installer
The .NET Framework 3.5 is a software framework developed by Microsoft that provides a large library of pre-built functionality, including classes, interfaces, and value types. It's an essential component for running applications that rely on .NET, such as games, productivity software, and more. The .NET Framework 3.5 includes many features and improvements over its predecessors, including: To install
DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:D:\sources\sxs It's an essential component for running applications that
: Usually caused by a firewall or a proxy blocking the connection. Use the DISM command (Method 2) to bypass this. or you can use the installer
However, reliable third-party repositories host the full framework packages, or you can use the installer, which functions as a full offline installer.