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 "Portrait" icon to login account, the account is your filled Email address in Billing info page:
3.After login, you can get your day-pass credits, if not get, click "Refresh" button
credits will shown in here after refresh.
You can also get 5 free credits every day after click "Gift" 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.