To obtain the latest version of the program please visit the project's download page.
There are two different types of binaries available for download:
The UltraDefrag Micro Edition is a lightweight version of the program containing only the command line tool and the boot time defragmenter. It is intended to be used from the console only.
You must have a 64-bit version of Windows to run the 64-bit versions of the program.
The IA-64 version was never tested by the authors. It requires the Intel Itanium processor and an appropriate 64-bit edition of Windows.
You must be an administrator to install and run UltraDefrag
Note that UltraDefrag installs into the Windows directory. This is by design, because it highly simplifies the program development. Moreover, it is impossible to run the boot time defragmenter without having its files inside the System32 directory.
UltraDefrag can be installed in silent mode by adding the /S key to the installer's command line at the command prompt. In this case no dialogs will be shown and the program will be installed to the hard drive completely with all the features enabled. The /LANG option allows to select the language pack to be installed. For example, use /LANG=German to install the German language pack.
There is also a silent mode in the uninstaller program. At the command prompt type %windir%\UltraDefrag\uninstall.exe /S to remove the program from the hard drive automatically without any graphical dialogs.
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