This not only saves the user time, it also reduces wear on hard disks and extends their life expectancy. Defragmentation reverses this by rearranging data and speeding up access times dramatically. Whenever it saves data, Windows scatters file fragments all over the hard disk and this slows down access times considerably. If you encounter problems while entering your license key, please contact our Support: If do not enter a valid license key, you will be able to use O&O Defrag as a test version for a limited time only.Many thanks for installing O&O Defrag 27! What is O&O Defrag?

When you have correctly entered the license code you will receive a confirmation in the dialog window.

Press Next to save the registration data or Cancel to leave the dialog window without saving the data.

Please make sure that you do not confuse the digit “1” with “I” or enter any empty spaces where they don’t belong.

In addition, please enter your name and if needed your company.

If you have purchased the box version of the software, please enter the license key as it is written on the license card included. If you have purchased the download version of the software, please enter the license information ('Name', 'Company' and License key), just as they are written in the confirmation E-Mail you received. When you select the option I want to enter my license, a dialog box will appear where you can enter the registration code you received when purchasing the software.The registration wizard allows for a simple registration process.The dialogue for registration always appears automatically at the start to guide you if you are using an unregistered version or have entered the registration code incorrectly.

This license key is also called a registration code, serial number, or product ID. Note: In order to activate O&O Defrag after installation or to gain access to the Full Version at a later time, you must possess a valid license key.

After the setup program has been successfully initialized, please follow the installation dialogue.Start the O&O Defrag installation file that you downloaded from our web server or that is found on your CDROM.Sign in as an administrator or equivalent.

Start the computer on which you would like to install O&O Defrag.

Conflicts with shadow copies during defragmentation.

Schedule defragmentation at regular intervals.

Differences between the various Editions.

Instaling O&O Defrag Pro 27.0.8050