You will need to register Express Scribe Pro.
Once you have purchased your license, please go here:
When you receive your Registration and Activation Code, register your software with this code. You can find the Register Your Software link in your software under the File Menu or first top left menu pull down. Or if your version has expired, click on the prompt that says something like I have my code.
This download needs to be activated within 30 days
If you need to purchase a license please go here: