Steps to cleanup Disabled or Unused or Inactive computer accounts:

1. Launch JiJi Active Directory cleaner.
2. From the main page, select the scope you want to perform cleanup. By default, the scope is your current domain.
3. Scan the computers in the scope by clicking "Scan All Computers". All computers information in the selected scope will be listed.
4. Now from the reports page you can filter the computers, which are either disabled or inactive.
5. If you would have chosen the inactive computers filter, then you have to specify the days for which the computers are inactive.
6. From the filtered report, you can select all the computers or the desired computers.
7. Perform an action "disable" or "delete" by clicking action button in the top of the report page.