On newer versions of Windows, you typically do not need to download a separate file. The framework is already included as an optional feature:
: Recommended for systems without internet access. You can find the 231 MB standalone installer on the Microsoft Download Center . How to Install on Modern Windows (10/11) net-framework-3-5-sp1-download-get-into-pc
Open the and type "Turn Windows features on or off". On newer versions of Windows, you typically do
Check the box and click . Windows will automatically download and install the necessary files. Restart your computer if prompted to complete the process. Technical Features & Enhancements On newer versions of Windows
