Ensure the checkbox next to is filled or checked. Click OK to close the window.
If you see an error message saying "Your PC needs to be updated to install .NET Framework 3.5" or "The following feature couldn't be installed," don't panic. The most reliable solution is the .
To confirm that the .NET Framework 3.5 is running properly on your Windows 10 system: Press the to open the Run dialog box. Type optionalfeatures and press Enter . Look at the top of the Windows Features list. Ensure the checkbox next to is filled or checked
Q: How do I troubleshoot .NET Framework 3.5 installation issues? A: You can troubleshoot .NET Framework 3.5 installation issues by checking system requirements, disabling antivirus software, and running the installer as an administrator.
These errors mean Windows cannot find the source files to install the framework. The most reliable solution is the
: A GUI tool that automates the command-line installation from your media.
is the smartest way to avoid update servers, broken internet connections, and corporate firewalls. While the online method often fails, using Microsoft’s official dotnetfx35.exe or extracting the sxs folder from a Windows 10 ISO guarantees success. Look at the top of the Windows Features list
Method 1: Using Windows 10 Installation Media (Recommended Offline Method)
Once you have downloaded the offline installer, follow these steps to install .NET Framework 3.5 on Windows 10 64-bit:
: Ensure the drive letter in your DISM command perfectly matches your mounted ISO.