You need to check in your account. Login to YouTube and go to YouTube Studio. In the leftside menu, you can find the Channel Monetization button.
Go to Channel monetization, in this screen you can see the subscribers count and Public Watch Hours. At present you need 1000 subscribers and 4000 public watch hours to monetization your videos.
YouTube Partner Program overview and eligibility – https://bit.ly/3gsPoqT
YouTube channel monetization policies – https://bit.ly/34RArcn
If you are doing YouTube videos for business, then you need to learn about policies using the above link.