Technical information

System requirements
O&O Defrag - 5
System requirements
l The system requirement of each operating system have to be fulfilled
l 50 MB free hard disk space
l 32/64-bit Support (from Windows XP/Server 2003)
l Windows® XP till Windows® Server 2008 R2 (all editions):
Supported operating systems
Operating system
Professional
Edition
Workstation
Edition
Server
Edition
Windows 7 yes yes yes
Windows Server 2008 no no yes*
Windows Vista yes yes yes
Windows XP yes yes yes
Windows Server 2003 no no yes*
Windows Server 2008 R2 no no yes*
* All variants of this server operating system are supported, except Core-Installations
If you wish to use the network functionality, you must also have the following available:
l Network card and connection
Access permissions
You need local administrator permissions for the installation and for its later use. This is usually the case, if you were
able to install other programs before.
In a network, you must be the domain administrator if you wish to install and control O&O Defrag locally as well as on
the network computers.
Microsoft Windows Installer
The installation takes place with the help of the Microsoft Windows Installer. It is a Windows integrated component
which controls all installation and uninstallation.