Windows
- Register to use Foxit PDF Editor via the online registration form. You will receive an email confirmation with the download link of the installer and license key.
- Download the installer and double click to start the installation.
- Click the License Agreement and read the agreement content, then tick the checkbox Agree with the License Agreement and click Quick Install to proceed. 
- Proceed with the installation using the computer local administrator account and click Yes. 
- Wait for the installation process to complete. 
- Click Start Now to proceed with the product activation process. 
- Click Activate to proceed. 
- Input the license key received in Step 1 in the textbox Perpetual License and click Activate. 
Mac
- Register to use Foxit PDF Editor via the online registration form. You will receive an email confirmation with the download link of the installer and license key.
- Download the installer and double click to start the installation.
- Click Continue to 
 proceed.
- Read the Software License Agreement content and click Continue to proceed. 
- Click Agree to proceed. 
- Click Continue to proceed. 
- Click Install to proceed. 
- Wait for the installation process to complete. 
- Click Close to proceed with the product activation process. 
- Go to Applications and open Foxit PDF Editor.
- Click Activate to proceed. 
- Input the license key received in Step 1 in the textbox Perpetual License and click Activate.