Suppose you have the latest version of Foxit PDF Editor installed on your computer. If not, download it from Foxit official download center.
Open Foxit PDF Editor, choose Activate
Then click the Sign In.
3.Enter your Foxit account that you used to purchase the subscription to sign in. Click on OK to accept the confirmation message " You have successfully registered your formal license key. Then click on OK in the restart confirmation message to restart Foxit PDF Editor.
Once your subscription is activated, you can go to Help > Deactivate to deactivate subscription.
You can also go to Help > About Foxit PDF Editor > License Information, to check licensing details, like subscription expired date and license modules.