PsKill (PsTools)

Kill processes by name or process ID

Syntax
      pskill [- ] [-t] [\\computer [-u user] [-p passwd]] <process name | process id>

Options:

   computer   The computer on which the process is running. Default=local system 

   -p passwd  Specify a password for user (optional). Passed as clear text.
              If omitted, you will be prompted to enter a hidden password.

   -u user    Specify a user name for login to remote computer(optional).

   -t         Kill the process and its descendants.

   process id/name
              The process or processes to be killed.

   -          Help, display the supported options.

To kill a process on a remote system requires administrative privileges on the remote system.

Examples:

Kill all instances of notepad.exe running on \\workstation64:

pskill \\workstation64 notepad

“Never trust a man who, when left alone with a tea cosy, doesn't try it on” ~ Billy Connolly

Related:

FAQ: Common PSTools Issues
TSKILL - Kill process on a Terminal Server
PsList - List detailed information about processes
The process button of Task Manager in Windows will also identify the process ID (PID)
PsSuspend - Suspend processes (so they can be continued at a later point in time)
KILL - Remove a program from memory
Powershell: Stop-Process - Stop a running process (kill)
Equivalent bash command (Linux): kill - Stop a process from running.