Expert in
PC Health Solution
All-in-one PC health solution: clean, optimize and secure
Comprehensive PC cleaning, optimization and protection
Keep drivers always up-to-date
More stable performance with less system crashes
Protect millions of computers against malware
Top computer security with full-round protection
Protect against viruses & boost PC performance
Easily removing unwanted programs & leftovers
Automatically keep your software up-to-date
Quickly check system information and PC specs
Never worry about data theft or privacy leaks
Maximize hard drive optimization for faster PC
Enjoy a Faster and More Secure Mac
Note: If you do not have the program installed, please click here to download the latest version of Smart Defrag and install it.
1. Open your Smart Defrag. On the main screen, click the Enter Code button at the bottom right of the main screen to open the register window.
Please refer to the picture below:
2. Copy & Paste to enter your license code in the License Code box, and click the Register Now button to get Pro version Please refer to the pictures below:
1. Open your Smart Defrag PRO, and click the Manage License link at the bottom right or the PRO link at the top middle to open License Manager.
Please refer to the picture below:
2. Click the Refresh text link to open a new registration window.
Please refer to the picture below:
3. Copy & Paste to enter your new/renewal license code, and click the Register Now button to get the new service time..
Please refer to the pictures below:
Subscribe to keep you updated on products updates and special offers via email. And you can opt-out at any time.
© 2005 - IObit. All Rights Reserved |Refund Policy |EULA |Legal Notice |Privacy Policy
IObit uses cookies to improve content and ensure you get the best experience on our website.
Continue to browse our website agreeing to our privacy policy.
