You must log in as an administrator to modify system-level frameworks. Step-by-Step Installation Guide
: If the installer states a newer version is already present, you do not need to install 4.5. Later versions like .NET 4.8 include all the features of 4.5. You must log in as an administrator to
As of 2025, Windows 7 is largely a legacy system. Microsoft has officially ended support, and many new applications require Windows 10 or 11. However, millions of industrial, medical, and financial systems still run Windows 7 64-bit due to proprietary software compatibility. millions of industrial