To understand why this separate executable exists, we must look at the state of patching in 2012–2014. Unlike today’s Visual Studio Installer (which uses a network-based, componentized model), Visual Studio 2012 used MSI (Microsoft Installer) and MSP (patch) files.
Without the /layout switch, the preparation tool may appear to do nothing or just extract a tiny launcher. visual studio 2012 update 5 preparation.exe
"visual studio 2012 update 5 preparation.exe" is a pre-installation utility used to prepare a system for the application of Visual Studio 2012 Update 5. It ensures that the necessary environment and prerequisites are met before the main update package is executed. Microsoft Support Core Purpose System Readying To understand why this separate executable exists, we
: Ensure no instances of devenv.exe are running. Check Disk Space : You need at least 5GB of free space. "visual studio 2012 update 5 preparation
: Community-maintained packages, such as those on Chocolatey , provide a way to automate the installation for older environments.
