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Editors' Review · November 4, 2025

The .NET Framework version 1.1 provides improved scalability and performance, support for mobile device development with ASP.NET mobile controls (formerly the Microsoft Mobile Internet Toolkit), support for Internet Protocol version 6, and ADO.NET classes for native communication with Open Database Connectivity (ODBC) and Oracle databases.

The .NET Framework version 1.1 redistributable package includes everything you need to run applications developed using the .NET Framework.
Enlarged image for .NET Framework Version 1.…
.NET Framework Version 1.1 0/2

Technical

Title
.NET Framework Version 1.1 4.8.1 for Windows
Requirements
Windows 11
License
Free
Latest update
Author
Microsoft Corporation
SHA-1
daf7849ebf145d31f91d694a64c1143de12db8f8
Filename
4.8.1.exe

Program available in other languages

Changelog

We don’t have any change log information yet for version 4.8.1 of .NET Framework Version 1.1. Sometimes publishers take a little while to make this information available, so please check back in a few days to see if it has been updated.

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