1.AI Image Upscaler Day Pass is online version, you can visit ai.nero.com to find it.
2.Upload a photo will go to Edit page, in here, you can click "login", the account is your filled Email address in Billing info page:
Notes: The Credits are delivery to the emailbox which you filled in payment. If login account is not payment emailbox, please switch account to payment email box to login. (Especially Paypal payment users need notice this.)
3.After login, you can get your day-pass credits, You can also get 5 free daily credits after click "coin" icon.
4.Select any AI models you wanted, and click "Start" button to process AI Upscaling (One credit will be deducted for a successful upscaling)
5.Download the result photo to your local PC:
Notes: Day pass credit will count down(24h) from your login your account on-line, not your purchased time.