: Wait for the progress bar to reach 100%. Once finished, you will see a "The operation completed successfully" message. Microsoft Learn Method 2: Enabling via Windows Features (Limited Offline)
: Insert your Windows 10 or 11 USB drive or right-click your Windows ISO file and select Mount . Note the drive letter (e.g., D: ). : Wait for the progress bar to reach 100%
If you have internet access and simply want the easiest method, you do not need to download an external installer: Start Menu , type "Turn Windows features on or off," and open it. Check the box for .NET Framework 3.5 (includes .NET 2.0 and 3.0) Note the drive letter (e
Here is a quick guide you can use for a post or a personal reference: How to Install
: Once the progress reaches 100%, the feature is enabled. How to Install .NET Framework 3.5 on Windows 11 [Tutorial]