You must first get into your account to be able to delete your channel, because if you can't get into your account then you might not get to the delete tab.you can start with inputting an email you can remember and clicking on the forgot password to see if you can have access to the channel.Then you can follow these steps.
Get into the YouTube account and get to your account tab setting look for delete this account at the bottom of the page and click on it and the delete account page will open and you will be prompted to write why you need to delete your channel, I think the YouTube team just want to know why you no longer what to use their product and maybe makes amends if need be. You will be asked to enter your password and you can finally click on delete channel and your request will be granted.
Unfortunately, without knowing the email address and password associated with the YouTube channel, it is not possible to delete it. You will need to contact YouTube support directly to see if they can help you delete the channel.
To delete a YouTube channel, go to YouTube Studio, click on Settings, then click on Channel, and then click on Delete Channel. Follow the instructions to confirm the deletion. Note that this action is irreversible and will delete all content associated with the channel.
To delete a YouTube channel, log in to the account, go to YouTube Studio, select Settings, click on Channel, and then click on the Delete Channel option.
There is no matter way to delete a Youtube channel without retrieving its personal information. If you forget your password and email address and want to remove your channel, you would have to remove the channel and its content, or remove the right-click link that presents a the channel's biography.
Get into the YouTube account and get to your account tab setting look for delete this account at the bottom of the page and click on it and the delete account page will open and you will be prompted to write why you need to delete your channel, I think the YouTube team just want to know why you no longer what to use their product and maybe makes amends if need be. You will be asked to enter your password and you can finally click on delete channel and your request will be granted.