Microsoft .NET Framework is a development platform that allows apps to run smoothly. Version 3.5 (which includes versions 3.0 and 2.0) is considered a "legacy" framework.
Once you've downloaded the offline installer, follow these steps: Microsoft
folder of a Windows 10 ISO or USB installation drive. This folder contains the necessary bits that allow Windows to enable the feature without reaching out to Windows Update. Offline Installation Steps via DISM Microsoft
Stability: Includes the full runtime for versions 2.0 and 3.0 as well. Microsoft