: NCH sends a registration code or a 13-digit serial number directly to the email address used during purchase. Spam or Junk Folders

NCH does not store your code on your computer in a plain text file. There is no "default project registration code.txt" hidden in Program Files. Do not waste time looking for it.

Click the MixPad name in the menu bar and select Register MixPad .

: If you have already purchased the software but cannot find your code, check your email spam folder or visit the NCH Software Support Page to retrieve it.