• To check the license key, open PDF-XChange Editor > “Help” > “License Key”.

  • pdf_FAQ01_01
  • The “Registration Info” will show the status of the license key installed.

    Valid license key:

  • pdf_FAQ01_02

    Expired license key:
Note: You are NOT required to install a new license key if you are fine with the current version of PDF-XChange that you are using.If you wish to download the latest version of PDF-XChange but your license key has expired, please follow the procedures below to install a new license key.
  • Go to the download page and click PDF-XChange PRO License Key file.
  • The new license key will be installed:

  • pdf_FAQ01_04

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