Does not work on Windows Server Operating System. You can use one copy of the software on 3 computers. Server Edition: Single License: You can use one copy of the software on one computer. Enterprise Edition: Site License: With one copy of MiniTool Partition Wizard Enterprise Edition, you could use it on 99 computers within one company. Technician Edition. Partition Magic Software provides easy hard drive partitioning management, such as resize, merge, split and format partitions on your hard disk without losing data. Home Products. Partition management software programs let you create, delete, shrink, expand, split, or merge partitions on your hard drives or other storage devices. You can certainly partition a hard drive in Windows without extra software, but you won't be able to do things like resize them or combine them without some extra help.