Installing .NET Framework 3.5 on modern systems like Windows 10 and Windows 11 is a common requirement for running older software and legacy applications. While Windows usually prompts for an internet-based download, you can use an or local installation media to complete the process without an active connection. Direct Download Links (Official)
: Press the Windows key, type cmd , right-click it, and select Run as Administrator . Installing
If you are currently online and want the simplest method, follow these steps: Press , type optionalfeatures.exe , and hit Enter. If you are currently online and want the
– A smaller file ( 2.7 MB ) that pulls necessary components from the web during setup. How to Install .NET 3.5 Offline via Command Prompt Important Notes for Windows 11 Users : Insert
Click and select Let Windows Update download the files for you . Important Notes for Windows 11 Users
: Insert your USB or right-click your Windows ISO and select Mount . Note the drive letter (e.g., D: ).
