Net Framework 3.5 Offline Installer Windows 10 64 Bit |work| Jun 2026
Browse and select your Windows 10 installation media folder ( sources\sxs ). Click the or Start button.
.NET 3.5 runs as a separate runtime in memory. It consumes approximately 50–100 MB of RAM when active. On modern 64-bit systems with 8 GB+ RAM, this is negligible.
The Microsoft .NET Framework 3.5 is a software development framework that provides a managed execution environment, simplified development, and easy integration of numerous technologies to build applications that are secure and robust. It includes .NET Framework 2.0 and 3.0, which are essential for older software. Method 1: Installing Using Windows 10 ISO (Best Method)
DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:D:\sources\sxs Net Framework 3.5 Offline Installer Windows 10 64 Bit
Method 2: Using the "Offline Feature Installer" (Third-Party)
/enable-feature /featurename:NetFX3 : Specifies that the .NET Framework 3.5 feature should be enabled.
DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /Source:D:\sources\sxs /LimitAccess Browse and select your Windows 10 installation media
The safest, most reliable offline installation method uses your original Windows 10 64-bit installation media (ISO, DVD, or bootable USB). The source files for .NET 3.5 are already present on the disc under the sources\sxs directory. Step 1: Mount your Windows 10 Media
This process ensures that your legacy applications, industry-specific software, and even modern games will run without interruption, all without requiring an active internet connection. For system administrators, mastering the DISM /Online /Enable-Feature command is an essential skill that resolves one of the most common deployment hurdles in any Windows environment.
Download the full redistributable runtime package (approx. 231 MB). It consumes approximately 50–100 MB of RAM when active
If using an ISO file, right-click it in File Explorer and select to assign it a virtual drive letter. Identify Drive Letter:
The inventory app launched without a single error. The client’s warehouse would process orders tomorrow. The world would keep spinning.
Copy and paste the following command into the window (replace D: with your actual drive letter if different):
dism /online /add-package /packagepath:"F:\sxs\microsoft-windows-netfx3-ondemand-package.cab"