When you have successfully purchased a SwifDoo PDF plan (Quarterly Plan, 2-Year Plan, or Perpetual License 1 PC/2-PC), an order email with a license key will be sent to you. You can enter the license key in the application to activate and use it. Here is a guide for you.

Step 1: Free download, install and launch SwifDoo PDF;

Step 2: Open any PDF file in the software;

Step 3: Go to the Help tab to choose Activate;

Activate SwifDoo PDF with license key step 3

Step 4: Copy and paste your license key from your order email into the Activation Key box, and click Activate.

Activate SwifDoo PDF with license key step 4

Once you’ve done, you have activated SwifDoo PDF and can access all the features. Next time you open the program, you can directly start to work with PDF documents.

Note: If you ordered a SwifDoo PDF Monthly Plan or Yearly Plan, activate SwifDoo PDF by signing into your account.