.NET Framework 4.5 Developer Pack Link: Download and Setup Guide
Install the .NET Framework developer pack or redistributable 2 Feb 2026 — net framework 45 developer pack link
All versions of the .NET Framework from 4.5 up to 4.6.1 have reached their official end of life due to outdated security standards (specifically reliance on the SHA-1 signing algorithm). For current security patches and stability, it is strongly recommended that you upgrade your projects to target at least .NET Framework 4.8 or later. This link or copies made by others cannot be deleted
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The .NET Framework is a vital component for running and building applications on Windows. When managing a software environment, it is crucial to understand that Microsoft separates its .NET Framework offerings into two distinct categories: the and the Developer Pack .
If you are provisioning a fresh machine, it is generally advised to install your IDE first, followed by the .NET Developer Pack. This ensures the environment properly registers the reference assemblies upon first launch.