- Save .zip file with the code that you received from us on your computer (ex., on your Desktop) and extract .ldf from .zip file
![](/images/tutorial/faq/how-to-activate-the-program-I-purchased_clip_image020.jpg)
![](/images/tutorial/faq/how-to-activate-the-program-I-purchased_clip_image022.gif)
![](/images/tutorial/faq/how-to-activate-the-program-I-purchased_clip_image002.jpg)
- Start the application
- If your trial period has not been expired yet, "Evaluation copy" window will appear. Click on "Enter code:" button in this dialog.
If your trial period has been expired, "Error" window will appear. Click on "Ok" button in this dialog.
![](/images/tutorial/faq/how-to-activate-the-program-I-purchased_clip_image006.jpg)
If the application is opened, click on menu Help and select option Enter licence information...
![](/images/tutorial/faq/how-to-activate-the-program-I-purchased_clip_image008.jpg)
- In "Input license information" dialog click on
button
![](/images/tutorial/faq/how-to-activate-the-program-I-purchased_clip_image012.jpg)
- In "Open" dialog find and select the ".ldf" code (ex.: John_Doe.ldf on Desktop)
![](/images/tutorial/faq/how-to-activate-the-program-I-purchased_clip_image014.jpg)
- Click on "Open" button
![](/images/tutorial/faq/how-to-activate-the-program-I-purchased_clip_image016.jpg)
- Click on "Ok" button in "Input license information" dialog