Download Net Framework 35 Offline Installer For Windows 10 11 Free ⚡

Note: This method requires a Windows 10 or 11 ISO file. If you do not have one, proceed to Method 2.

If you have a Windows installation disc or ISO, you already have the offline files. You just need to unlock them.

Step 1: Mount the ISO Right-click your Windows 10 or 11 ISO file and select Mount. Note the drive letter assigned to it (e.g., Drive D:).

Step 2: Run the Command

Step 3: Wait for Installation The progress bar will reach 100%. Once finished, restart your computer. .NET 3.5 is now installed completely offline. Note: This method requires a Windows 10 or 11 ISO file

Final Recommendation: For a 100% offline installation on Windows 10 or 11, use Method 2 with your Windows installation media.

This is the best method for a true offline install. You will need a Windows 10 or Windows 11 USB drive or ISO file.

Step 1: Mount your Windows ISO or Insert USB

Step 2: Open Command Prompt as Administrator Step 3: Wait for Installation The progress bar

Step 3: Run the Installation Command

Step 4: Wait for Completion

.NET Framework is a software development platform created by Microsoft. Version 3.5 (which includes versions 2.0 and 3.0) is a legacy framework required by thousands of older applications, including:

Important Note: Windows 10 and 11 come with .NET Framework 4.8 (or 4.8.1) pre-installed. However, .NET 3.5 is not fully installed by default. It is a "Windows Feature" that must be turned on. Final Recommendation: For a 100% offline installation on

The .NET Framework 3.5 includes versions 2.0, 3.0, and 3.5. Many legacy apps (e.g., AutoCAD 2013, SQL Server 2008, older games) need it to run on Windows 10 or 11. The “offline installer” lets you install it without an internet connection—critical for PCs with limited or no web access.

When you try to install an app that needs .NET 3.5, Windows pops up a prompt to "Download and install this feature." This online method fails for three common reasons:

That is why you need an offline installer—a self-contained file that works without internet access.