No. Windows Installer 5.0 is a built-in, native component of Windows 10. Unlike older versions of Windows (such as XP or Server 2003) where the installer engine had to be updated manually via a download, Windows 10 ships with Windows Installer 5.0 already integrated into the operating system. It runs as the msiexec.exe service.

How can I install the windows installer 5.0? - Microsoft Q&A

On 64-bit versions of Windows 10, the installation engine is uniquely designed to process both and 64-bit (x64) software packages simultaneously. It properly routes 64-bit components into C:\Program Files and 32-bit components into C:\Program Files (x86) using distinct Windows-on-Windows 64-bit (WoW64) subsystem pathways. Core Features of Version 5.0

You should expect to see a version number starting with 5.0.xxxxx . The exact number may change depending on the latest cumulative updates applied to your system. Windows Installer 5.0 is also compatible with Windows RT and the Arm64 platform.

Windows Installer (packaged internally as msiexec.exe ) is an essential engine that manages how software packages ( .msi and .msp files) are installed, modified, and removed.