Remove a computer from a Windows domain

Click Start, right-click Computer, and then click Properties.

Under Computer name, domain, and workgroup settings, click Change settings.

Note
If you are prompted for an administrator password or confirmation, type the domain password or provide confirmation.

In the System Properties dialog box, click the Computer Name tab, and then click Change.

In the Computer Name/Domain Changes dialog box, under Member of, click Workgroup, and then do one of the following:

1. To join an existing workgroup, type the name of the workgroup that you want to join, and then click OK.
   
   
2. To create workgroup, type the name of the workgroup that you want to create, and then click OK.
   
   

   Note
   Your computer will be removed from the domain and your computer account on that domain will be disabled.