I just purchased DxO PhotoLab 3, do I qualify for a free upgrade to DxO PhotoLab 4?

If you purchased DxO PhotoLab 3 on or after September 20, 2020, you are qualified for a free update of DxO PhotoLab 4. In order to find your DxO PhotoLab license and the download, please log into your client account using this URL: https://shop.dxo.com/login_upgrade.php?CountryShow=International

All other software upgrades can be purchased online at www.dxo.com from the "login" link at the top right, then you'll be guided to the "My Account" page.