Microsoft Net Framework 4.5 Offline Installer !new! Official
It is also worth addressing common misconceptions. Users sometimes believe the offline installer is obsolete because Microsoft encourages web deployment. However, the company itself provides offline installers for all major .NET versions via the Microsoft Download Center. Furthermore, the offline installer is not a replacement for Windows Update security patches; it installs the base version. Administrators should still apply relevant security updates afterward. Another misconception is that the offline installer contains the full software development kit (SDK)—it does not; it only contains the runtime and class libraries needed to run applications, not to compile new ones.
Elias didn't wait for a reboot prompt. He force-started the application services. He re-targeted the Project Aether solution to the new framework version. microsoft net framework 4.5 offline installer