Download Debug Diagnostic Tool v2 Update 3 from Official Microsoft Download Center

The new Surface Laptop 3 back to back

New Surface Laptop 3

The perfect everyday laptop is now even faster

Person using Power BI Desktop

Power BI

Transform data into actionable insights with dashboards and reports

Debug Diagnostic Tool v2 Update 3

Important! Selecting a language below will dynamically change the complete page content to that language.

Language:
English
The Debug Diagnostic Tool (DebugDiag) is designed to assist in troubleshooting issues such as hangs, slow performance, memory leaks or memory fragmentation, and crashes in any user-mode process.