RUNAS

Execute a program under a different user account.

Syntax
      RUNAS [/profile] [/env] [/netonly] /user:user Program

Key
   /profile   Option to load the user's profile (registry)
   /env       Use current environment instead of user's.
   /netonly   Use the credentials specified only for remote connections.
   /user      Username in form USER@DOMAIN or DOMAINUSER
              (USER@DOMAIN is not compatible with /netonly)
   Program    The command to execute

runas /user:DOMAINuser my.exe
Enter the password for DOMAINuser:

runas /user:DOMAINuser /password:123456 my.exe