I want to cancel my subscription NOW for FREE because I did not use the service

(...) they would not use cracked versions,  believe me!
By @Kamile98BC

Sorry, but I doubt this. Do you know that in the good old days, software protection was quasi non-existent and people used massively illegal copies?

The two months free is a customer retention incentive, and it still obligates you to a one-year contract. 

Terms and conditions, which you should have read before accepting, are here: https://www.adobe.com/legal/subscription-terms.html

Adobe provides support through the Chat function on the contact page or through a phone call. There is no email support.

CHAT: Click the following to contact Adobe customer support staff for help: 

https://helpx.adobe.com/contact/support.html

You must be signed in with your Adobe ID and allow cookies in your web browser for this to work. Disable any ad, pop-up, or script blockers.

This is the link to the US website. If you are not in the US, the site should redirect to the page appropriate to the region associated with your ID.

Click the chat icon at the bottom right of the page to open a chat session. 

If the CSR refers you to the forums, insist on speaking with a supervisor and keep moving up the chain until you get someone who knows what they are talking about.

PHONE: You can also search this page for a regionally appropriate phone number for customer support.

https://helpx.adobe.com/contact/phone.html

Be aware that because of the pandemic, wait times are far longer than usual due to reduced staff and higher demand. Please be patient with the people to whom you speak. Like you, they are feeling a great deal of stress. A little patience and understanding will go a long way to helping you in your particular situation.

Moving this to Account, Payment, & Plans.