It can run alongside older versions like .NET 3.5 SP1.

Have a different version of Windows? Check Microsoft’s official .NET Framework download page for version-specific offline installers (3.5 SP1, 4.6.2, 4.7.2, 4.8). Stay safe and always validate your downloads.

The .NET Framework 4.5.2 is the "Goldilocks" version for Windows 7—it’s stable, supports a massive library of software, and the offline installer bypasses the connectivity headaches common with aging OS versions.