Download Net Framework 35 Offline Installer For Windows 10 11 Free ^new^

/Source:X:\sources\sxs : Directs the system to pull the installation data directly from your local ISO file instead of the internet.

/online : Targets your currently running Windows operating system.

Microsoft provides a standalone "Full Package" for users without an internet connection.

: The progress bar will reach 100%. Once finished, you may be prompted to restart your PC. Alternative: Using "Windows Features" (Internet Required) /Source:X:\sources\sxs : Directs the system to pull the

or insert your Windows USB installation media. Run the installer as Administrator. Follow the prompt to extract and install the features.

and run this command: DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:D:\sources\sxs . (Replace D: with your actual drive letter) . Install .NET Framework 3.5 on Windows 10 - Microsoft Learn

: Double-click your Windows 10 or 11 ISO file to mount it as a virtual drive. Note the assigned drive letter (for example, D: or E: ). : The progress bar will reach 100%

Microsoft .NET Framework 3.5 是微软开发的一个应用程序运行库，首次于2007年发布。它不仅包含 .NET Framework 3.5 自身，还向下兼容包含了 2.0 和 3.0 版本。许多业务管理软件、设计工具、医疗系统以及金融和制造业的企业应用至今仍完全依赖此框架运行。

Downloading executable files from unofficial repositories exposes your machine to severe malware, spyware, and unauthorized system modifications. Because Microsoft provides the source files completely free of charge directly inside your official Windows OS ISO media, you never have to put your security at risk using unverified third-party tools.

Click . If the source files are present on your hard drive, Windows will configure the feature immediately. Run the installer as Administrator

Type (or copy/paste) the following command, replacing D: with your actual drive letter:

For the latest versions of Windows 11, Microsoft provides a dedicated standalone installer available via Microsoft Learn .