How do I deauthorize a computer on iTunes if I don't have it anymore?

Related questions

1. Do I need iTunes on my computer?
2. Can I download iTunes on a Windows computer?
3. Is iTunes free?
4. Why cant i download iTunes to my PC?
5. What happens if I deauthorize all computers in iTunes?
6. What can I use iTunes for?
7. Is Apple ending iTunes?
8. How much does an iTunes account cost?
9. Is iTunes free on iPhone?
10. Can not install iTunes on Windows 10?

Tags

1. #store
2. #deauthorize
3. #select
4. #authorized
5. #itunes
6. #apple
7. #authorizations
8. #button
9. #appear
10. #computer
11. #click
12. #account