Sysinternals Utilities Index

Sysinternals Suite
The entire set of Sysinternals Utilities rolled up into a single download.

Sysinternals Suite for Nano Server
Sysinternals Utilities for Nano Server in a single download.

Sysinternals Suite for ARM64
Sysinternals Utilities for ARM64 in a single download.

Sysinternals Suite from the Microsoft Store
Sysinternals Utilities installation and updates via Microsoft Store.

v6.15 (May 11, 2022)
AccessChk is a command-line tool for viewing the effective permissions on files, registry keys, services, processes, kernel objects, and more.

v1.35 (September 29, 2022)
This simple yet powerful security tool shows you who has what access to directories, files and Registry keys on your systems. Use it to find holes in your permissions.

v1.52 (November 28, 2022)
Active Directory Explorer is an advanced Active Directory (AD) viewer and editor.

v1.2 (October 26, 2015)
An LDAP (Light-weight Directory Access Protocol) real-time monitoring tool aimed at troubleshooting Active Directory client applications.

v1.2 (November 25, 2020)
Undelete Server 2003 Active Directory objects.

v3.10 (August 29, 2016)
Bypass password screen during logon.

v14.11 (February 6, 2024)
See what programs are configured to startup automatically when your system boots and you login. Autoruns also shows you the full list of Registry and file locations where applications can configure auto-start settings.

v4.32 (September 29, 2022)
This fully-configurable program automatically generates desktop backgrounds that include important information about the system including IP addresses, computer name, network adapters, and more.

v3.2 (November 1, 2006)
This screen saver not only accurately simulates Blue Screens, but simulated reboots as well (complete with CHKDSK), and works on Windows NT 4, Windows 2000, Windows XP, Server 2003 and Windows 95 and 98.

v1.02 (December 16, 2021)
CacheSet is a program that allows you to control the Cache Manager's working set size using functions provided by NT. It's compatible with all versions of NT.

v2.1 (July 4, 2016)
View the resolution of the system clock, which is also the maximum timer resolution.

v1.83 (March 9, 2023)
Wish you could quickly defragment your frequently used files? Use Contig to optimize individual files, or to create new files that are contiguous.

v3.6 (September 29, 2022)
Coreinfo is a new command-line utility that shows you the mapping between logical processors and the physical processor, NUMA node, and socket on which they reside, as well as the cache’s assigned to each logical processor.

v2.0 (November 1, 2006)
This is a kernel-mode driver that demonstrates keyboard input filtering just above the keyboard class driver in order to turn caps-locks into control keys. Filtering at this level allows conversion and hiding of keys before NT even "sees" them. Ctrl2cap also shows how to use NtDisplayString() to print messages to the initialization blue-screen.

v4.90 (April 23, 2019)
Another first from Sysinternals: This program intercepts calls made to DbgPrint by device drivers and OutputDebugString made by Win32 programs. It allows for viewing and recording of debug session output on your local machine or across the Internet without an active debugger.

v2.01 (October 12, 2021)
This new utility enables you to create up to four virtual desktops and to use a tray interface or hotkeys to preview what’s on each desktop and easily switch between them.

v2.02 (October 12, 2021)
Disk2vhd simplifies the migration of physical systems into virtual machines (

v1.2 (July 4, 2016)
Display volume disk-mappings.

v2.02 (October 12, 2021)
This utility captures all hard disk activity or acts like a software disk activity light in your system tray.

v2.41 (October 15, 2020)
Graphical disk sector utility.

Disk Usage (DU)
v1.62 (November 04, 2020)
View disk usage by directory.

v1.03 (October 12, 2021)
View information for encrypted files.

v1.1 (July 4, 2016)
FindLinks reports the file index and any hard links (alternate file paths on the same that exist for the specified file.  A file's data remains allocated so long as at it has at least one file name referencing it.

v5.0 (October 26, 2022)
This handy command-line utility will show you what files are open by which processes, and much more.

v1.1 (July 4, 2016)
Convert hex numbers to decimal and vice versa.

v1.07 (July 4, 2016)
Create Win2K NTFS symbolic links.

v1.02 (November 1, 2006)
Dump the contents of the Logical Disk Manager's on-disk database, which describes the partitioning of Windows 2000 Dynamic disks.

v3.2 (July 4, 2016)
List all the DLLs that are currently loaded, including where they are loaded and their version numbers.

v5.62 (May 16, 2017)
Use Microsoft kernel debuggers to examine a live system.

v1.02 (October 12, 2021)
See the order in which devices are loaded on your WinNT/2K system.

v1.41 (November 25, 2020)
List the active logon sessions on a system.

v1.02 (September 17, 2020)
Allows you to schedule move and delete commands for the next reboot.

v4.21 (September 29, 2022)
Notmyfault is a tool that you can use to crash, hang, and cause kernel memory leaks on your Windows system.

v1.2 (July 4, 2016)
Use NTFSInfo to see detailed information about NTFS volumes, including the size and location of the Master File Table (MFT) and MFT-zone, as well as the sizes of the NTFS meta-data files.

v1.3 (September 17, 2020)
Enumerate the list of file rename and delete commands that will be executed the next boot.

v1.02 (July 4, 2016)
Displays the named pipes on your system, including the number of maximum instances and active instances for each pipe.

v3.03 (January 12, 2012)
Monitor serial and parallel port activity with this advanced monitoring tool. It knows about all standard serial and parallel IOCTLs and even shows you a portion of the data being sent and received. Version 3.x has powerful new UI enhancements and advanced filtering capabilities.

v11.0 (November 3, 2022)
This command-line utility is aimed at capturing process dumps of otherwise difficult to isolate and reproduce CPU spikes. It also serves as a general process dump creation utility and can also monitor and generate process dumps when a process has a hung window or unhandled exception.

Process Explorer
v17.06 (May 28, 2024)
Find out what files, registry keys and other objects processes have open, which DLLs they have loaded, and more. This uniquely powerful utility will even show you who owns each process.

Process Monitor
v4.01 (June 20, 2024)
Monitor file system, Registry, process, thread and DLL activity in real-time.

v2.43 (April 11, 2023)
Execute processes on remote systems.

v1.04 (March 30, 2023)
See what files are opened remotely.

v1.46 (March 30, 2023)
Displays the SID of a computer or a user.

v1.79 (March 30, 2023)
Obtain information about a system.

v1.17 (March 30, 2023)
Terminate local or remote processes.

v2.12 (March 30, 2023)
Measure network performance.

v1.41 (March 30, 2023)
Show information about processes and threads.

v1.35 (June 29, 2016)
Show users logged on to a system.

v2.82 (March 30, 2023)
Dump event log records.

v1.25 (March 30, 2023)
Changes account passwords.

v2.26 (March 30, 2023)
View and control services.

v2.6 (March 30, 2023)
Shuts down and optionally reboots a computer.

v1.08 (March 30, 2023)
Suspend and resume processes.

v2.51 (April 11, 2023)
The PsTools suite includes command-line utilities for listing the processes running on local or remote computers, running processes remotely, rebooting computers, dumping event logs, and more.

v1.61 (May 11, 2022)
An advanced physical memory usage analysis utility that presents usage information in different ways on its several different tabs.

v2.93 (July 26, 2023)
Manage multiple remote desktop connections.

v1.11 (July 4, 2016)
Scan for and delete Registry keys that contain embedded null-characters that are otherwise undeleteable by standard Registry-editing tools.

Registry Usage (RU)
v1.2 (July 4, 2016)
View the registry space usage for the specified registry key.

v1.11 (October 12, 2021)
Jump to the registry path you specify in Regedit.

v2.05 (September 29, 2023)
Securely overwrite your sensitive files and cleanse your free space of previously deleted files using this DoD-compliant secure delete program.

v1.61 (October 12, 2021)
Scan file shares on your network and view their security settings to close security holes.

v1.02 (October 12, 2021)
Launch programs as a different user via a convenient shell context-menu entry.

v2.90 (July 19, 2022)
Dump file version information and verify that images on your system are digitally signed.

v1.6 (July 4, 2016)
Reveal NTFS alternate streams.

v2.54 (June 22, 2021)
Search for ANSI and UNICODE strings in binary images.

v2.2 (July 4, 2016)
Flush cached data to disk.

v15.14 (February 13, 2024)
Monitors and reports key system activity via the Windows event log.

v4.19 (April 11, 2023)
Active socket viewer.

v3.4 (October 18, 2023)
VMMap is a process virtual and physical memory analysis utility.

v2.1 (July 4, 2016)
Set Volume ID of FAT or NTFS drives.

v1.20 (December 11, 2019)
See who owns an Internet address.

v3.14 (January 27, 2022)
The ultimate Object Manager namespace viewer is here.

v8.01 (February 7, 2024)
Presentation utility for zooming and drawing on the screen.