After payment you will receive a perpetual license O&O Defrag 22 Professional.
The license is presented in the form of registration data (Name, Firma / Company, Seriennummer / Serial Number).
Installation:
Download the program and install on your computer, activating the license with the received data.

O&ODefrag Professional 22.0.2284 Windows 32-bit (24.1 MB)
Download:
https://dl5.oo-software.com/files/oodefrag22/220/OODefrag22ProfessionalEnu.exe

O&O Defrag Professional 22.0.2284 Windows 64-bit (28.4 MB)
https://dl5.oo-software.com/files/oodefrag22/220/OODefrag22Professional64Enu.exe

 After installing the program, register in the menu Info> Register now> Enter your registration code.
Enter the received Seriennummer in the Serial # field and use your email for the Name and Company (Firma) values ​​to activate the license.
The license is provided for 1 computer.
 Supported systems: Windows 10, Windows 8.1, Windows 7, and Vista.

The program accelerates the computer as much as possible, extends the life cycle of hard drives and provides effective data protection
O&O Defrag improves system performance and also detects junk files occupying disk space using the integrated O&O DiskStat tool. The product is compatible with all modern versions of Windows.
 The functionality of O&O Defrag 22 has been significantly expanded. The program can now detect more objects that slow down the system and are not affected by standard defragmentation. O&O Defrag 22 received a simplified and optimized user interface that allows you to easily perform various actions. The new integrated DiskStat tool shows what exactly the disk space is. This fact sheet helps you locate and delete unnecessary files.
 The new version received an improved high contrast mode to facilitate the recognition of objects on the screen. Variable screen resolution is also acceptable when using O&O Defrag 22.
 Even in the era of solid state drives (SSDs), regular maintenance and system optimization plays a key role. O&O Defrag 22 not only applies TRIM optimization, but also helps to free up space with a few clicks of the mouse, or automatically at a specified time.
O&O Defrag 22 also implements virtual machine optimization. The product defragments the virtual machine and files on the host system to ensure optimal virtual machine performance.