Dism /online /enable-feature /featurename:NetFX3 /All /Source:D:\sources\sxs /LimitAccess Use code with caution. Parameter Breakdown:
Copy and paste the following command into the Command Prompt window. Make sure to of your mounted ISO or USB drive:
Think of the .NET Framework as a critical engine that allows many Windows applications to run. Just as a car needs a specific engine to function, many older business tools, games (especially those built on early Unity engines), and proprietary software rely on the specifically to operate. Net Framework 3.5 Offline Installer Windows 10 64 Bit
(like 0x800F0906 or 0x800F081f) that occurred during your installation attempt? .NET Framework 3.5 Offline installer for Windows 10
For IT administrators managing multiple machines without access to deployment servers, community-created portable scripts or utilities can automate the process described in Method 1. Just as a car needs a specific engine
If you lack the full Windows 10 ISO (which is roughly 4-5GB), you can download a small, dedicated CAB file. This method is faster and ideal for technicians carrying multiple tools on a single USB drive.
Make sure your Windows 10 ISO version matches your operating system version. For example, if you are running Windows 10 Version 22H2, you must use a Version 22H2 ISO. Using an older Windows 10 ISO (like 1909) on a newer OS build will fail with error 0x800F081F . Error Code: 0x800F0922 If you lack the full Windows 10 ISO
Note: Replace X: with the actual drive letter of your Windows 10 media.
The progress bar will count up to 100%. Once completed, you will see the message: "The operation completed successfully." Method 2: Offline Installation via Windows PowerShell
dism /online /get-features | find "NetFX3"