Right-click the downloaded file and select Run as Administrator .
Here is how to safely download and start using PerfView from its official GitHub repository. 1. The Quickest Way: Official GitHub Releases perfview download github
How to Download PerfView from GitHub: A Complete Guide If you're a .NET developer or systems engineer, you likely know that PerfView is the "gold standard" for diagnosing complex performance issues. Created by Microsoft’s CLR team, it provides unparalleled depth into CPU usage, memory leaks, and garbage collection behavior—all in a portable, zero-install package. Right-click the downloaded file and select Run as