std::unique_ptr<Keyzy::KeyzyLicenseActivator> pActivator =
    std::make_unique<Keyzy::KeyzyLicenseActivator>(productData);
std::shared_ptr<Keyzy::KeyzyLicenseValidator> pValidator =
    pActivator->getLicenseValidator();

std::string serialNumber = "XXXX-XXXX-XXXX-XXXX"; // entered by the user
Keyzy::LicenseStatus status = pActivator->activateOnline(serialNumber);

if (status == Keyzy::LicenseStatus::VALID)
{
    std::string licensee = pValidator->getLicenseeName();
    std::string sku      = pValidator->getSku();
    std::string version  = pValidator->getVersion();
}

// Upgrade a license to another product
Keyzy::LicenseStatus status = pValidator->validateOnline();

if (status == Keyzy::LicenseStatus::VALID)
    status = pActivator->upgradeLicense(targetSerial);

if (status == Keyzy::LicenseStatus::VALID)
    status = pActivator->activateSemiOnline(targetSerial);

// Machines without a connection: a license file instead
pActivator->activateOffline(licenseFilePath);

std::string email = pValidator->getLicenseeEmail();