-------------------------------------CCleaner FREE VERSION:-------------------------------------1. Run "ccsetup408.exe".2. Complete installation, start and use.-------------------------------------CCleaner PRO VERSION:-------------------------------------1. Disable your internet connection.2. Run "ccsetup408.exe" complete installation.3. In "DLL Files" folder, choose "Professional" folder, copy the file "branding.dll" to "C:\Program Files\CCleaner"4. Start the program.5. Register with the following information:Name: Registered UserLicense Key: CBB4-FJN4-EPC6-G5P6-QT4C6. The program will start. You can turn on internet now.-------------------------------------CCleaner BUSINESS VERSION:-------------------------------------1. Disable your internet connection.2. Run "ccsetup408.exe" complete installation.3. In "DLL Files" folder, choose "Business" folder, copy the file "branding.dll" to "C:\Program Files\CCleaner"4. Start the program.5. Register with the following information:Name: Registered UserLicense Key: CBB4-FJN4-EPC6-G5P6-QT4C6. The program will start. You can turn on internet now.-------------------------------------For the portable version, copy the file "branding.dll" for the wanted version next to the executable "CCleaner.exe".-------------------------------------Enjoy..