License keys are case-sensitive. It is best to copy and paste the code directly from your confirmation email.
To protect your computer and ensure your music conversions are high-quality and consistent, avoid "cracked" keys. Stick to the official ViWizard site for the most stable and secure experience. viwizard license key upd
If you need to convert both audiobooks and music, look for bundle packages on their site which are cheaper than buying individual keys. Troubleshooting Activation Issues If you have a legitimate key that isn't working: License keys are case-sensitive