Offline Installer Hot!: Microsoft Net Framework 4.5

: .NET Framework 4.5 is already pre-installed on Windows 8 and Windows Server 2012, so you do not need to run this installer on those versions. How to Install the .NET Framework 4.5 Offline Troubleshooting installing the .NET Framework - GitHub Gist

: Newer versions of Windows often come with more recent .NET Framework versions preinstalled. Windows 10, for example, ships with .NET Framework 4.6 or later depending on the update version. Because .NET Framework 4.x versions are in-place updates , you cannot install an older 4.x version if a newer one is already present on your system. If you are running Windows 10 or Windows 11 and have a more recent .NET Framework installed (such as 4.8), attempting to install .NET Framework 4.5 will result in a message stating that a newer version is already installed, and no action is required. microsoft net framework 4.5 offline installer

If the installation fails midway through processing, your system registries might be damaged. Because

/passive – Runs the installer in passive mode (displays a progress bar but requires no clicks). /passive – Runs the installer in passive mode