Web Platform Installer 5.0 64-bit Download Guide

If you’ve been developing web applications on Windows for the last decade, you’ve likely encountered (or heard of) the Microsoft Web Platform Installer (Web PI). Even though Microsoft officially retired Web PI in late 2022, many developers still search for the web platform installer 5.0 64-bit download to set up legacy environments, run classic ASP.NET applications, or quickly configure IIS with specific components like PHP, MySQL, or URL Rewrite.

In this article, we’ll cover everything you need to know: what Web PI 5.0 is, why you might still need it, how to safely download the 64-bit version, step-by-step installation instructions, post-installation configuration, and modern alternatives for new projects. web platform installer 5.0 64-bit download

The canonical name is wpilauncher_x64.exe. The 32-bit version is wpilauncher.exe. If you’ve been developing web applications on Windows

Here is a safe method using the Internet Archive (no registration required): The canonical name is wpilauncher_x64

Alternative – Use Microsoft’s retired download link (if still cached):
Historically, the direct link was https://download.microsoft.com/download/7/8/7/78779FC2-EE62-4D47-9F2B-5B296B749E5B/wpilauncher_5_0_50404_00_amd64.exe. As of 2026, this may return a 404 error. Do not trust any website that claims to have a working Microsoft domain link – official hosting is permanently gone.

If you are searching for the Web Platform Installer 5.0 64-bit download, there are critical details you must know regarding its availability.