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The Sysinternals web site was created in 1996 by Mark Russinovich to host his advanced system utilities and technical information. Whether you’re an IT Pro or a developer, you’ll find Sysinternals utilities to help you manage, troubleshoot and diagnose your Windows systems and applications.

Sysinternals Live

Sysinternals Live is a service that enables you to execute Sysinternals tools directly from the Web without hunting for and manually downloading them. Simply enter a tool's Sysinternals Live path into Windows Explorer or a command prompt as<toolname> or  \\\tools\<toolname>.

You can view the entire Sysinternals Live tools directory in a browser at

What's New RSS

What's New (June 24, 2020)

  • Sysmon v11.10
    This update to Sysmon now captures stream content for alternate data streams into logged events, which is useful for investigating downloads tagged with ‘Mark of the Web’ (MOTW) streams, introduces an ‘is-any’ filter condition, and fixes several bugs.

  • Sigcheck v2.80
    Sigcheck, a flexible tool for showing file versions, file signatures, and certificate stores, introduces a -p option for specifying a trust GUID for signature verification, and it now shows certificate signing chains even when a certificate in the chain is untrusted.

  • Sysinternals June 24 Update Video
    Mark Russinovich covers what’s new in this update, with demos of Sysmon’s alternate data stream content capture and new features in Sigcheck.

What's New (April 28, 2020)

  • Sysmon v11.0
    This major update to Sysmon includes file delete monitoring and archive to help responders capture attacker tools, adds an option to disable reverse DNS lookup, replaces empty fields with ‘-‘ to work around a WEF bug, fixes an issue that caused some ProcessAccess events to drop, and doesn’t hash main data streams that are marked as being stored in the cloud.

  • Sysinternals April 27 Update Video
    Mark Russinovich covers what’s new in this update, with a demo of Sysmon’s new file delete monitoring and capture capability.

What's New (December 20, 2019)

What's New (December 11, 2019)

  • Sysmon v10.42
    This update to Sysmon addresses a number of memory leaks, introduces the "Excludes Any" and "Excludes All" filtering conditions and resolves a number of bugs.

  • Zoomit v4.52
    This update to Zoomit resolves a number of dual-monitor related issues.

  • Whois v1.21
    This refresh of Whois contains various bug fixes.

What's New (September 16, 2019)

What's New (September 05, 2019)

  • Sysmon v10.4
    This major update to Sysmon, a security event monitoring service, adds nested rule support to rule groups and “contains any” and “contains all” rule conditions for more flexible filtering, as well as several bug fixes.

  • Process Explorer v16.30
    This update to Process Explorer adds a Shared Commit column to the process view, fixes a bug that caused it to terminate when it is configured to run at logon and the system went to battery, and fixes bugs that prevented the system CPU graph from correctly showing multiple sockets.

What's New (June 20, 2019)

What's New (June 11, 2019)

  • Sysmon v10.0
    This release of Sysmon adds DNS query logging, reports OriginalFileName in process create and load image events, adds ImageName to named pipe events, logs pico process creates and terminates, and fixes several bugs.
  • Autoruns v13.95
    This Autoruns updates adds support for redirected user Shell folders.

What's New (February 18, 2019)

  • Sysmon v9.0
    Sysmon v9.0 introduces rule groups that enable the specification of AND or OR matching logic across a set of rules. It also fixes a memory leak in signature verification.