To download a free copy of O&O Defrag 10, follow the instructions given below:
- Visit this O&O registration page, and enter relevant details.
- You will receive a confirmation email from O&O with the registration key and other details. The email was a bit slow to arrive, so you might not see it for 5-10 minutes.
- Download O&O Defrag 10 Professional Edition on this page, and follow the instructions in the email to activate the product.