Essential for applications built on .NET 4.0 and 4.5.
: Delivers better reliability and security through integrated encoding routines to protect against cross-site scripting (XSS). System Requirements for Windows 7 64-bit Essential for applications built on
Additionally, older .NET Framework 4.0 is an in‑place update—.NET 4.5 will replace it on the system. This is normally seamless, but some very niche applications that depend on precise 4.0 behavior should be tested beforehand. This is normally seamless, but some very niche
: Up to 2 GB of available space for the 64-bit installation. Step-by-Step Installation Guide Step 1: Install Windows 7 Service Pack 1 (SP1) Essential Software Prerequisites The
Up to 2 GB of available space on your system drive (typically C:) to accommodate installation files and temporary caching. Essential Software Prerequisites
The .NET Framework 4.5 requires Windows 7 SP1. Verify your system is updated.
: The final 4.5.x update, which replaces previous 4.5 versions. Microsoft Support Microsoft .NET Framework 4.8