Got a 2 months free trial from nvidia but i still had to pay

Did you read the NVIDIA TERMS?  This is what I found online.

NVIDIA is offering a free trial to Adobe Creative Cloud for owners of certain RTX GPUs, but it is not two free months for all users. Owners of an RTX 50 series card can get two free months, while owners of an RTX 30 or 40 series card receive one free month.

To claim the offer, you need to download and open the NVIDIA App, go to the rewards section, and follow the instructions to redeem the voucher.

How to claim the offer: Download the NVIDIA App from the NVIDIA website. Open the app and sign in or create a new account. Go to the "Rewards" or "Redeem" section to see available offers. Click on the Adobe Creative Cloud offer and follow the steps to redeem your free month(s) and get the voucher code.

Follow the link provided to complete the redemption process by creating an Adobe ID or signing in with an existing one. Provide a payment method and click " Get Started " to download Creative Cloud.  

Important details Trial length:

• The duration of the free trial depends on your GPU. You'll get two months for an RTX 50 series card and one month for an RTX 30 or 40 series card.
• Eligibility: The offer is generally for new Adobe users. Existing Adobe users may be excluded from the promotion.
• What's included: The trial includes access to the entire Adobe Creative Cloud suite of apps. RTX 50 series users also get Substance 3D access.
• Auto-renewal: A payment method is required, and the subscription will auto-renew at the regular price after the trial period ends unless you cancel beforehand.

PS: I originally had a plan on then I redeemed the nvidia code