2. Your youtube account must be verified. If doesn't verify yet, click verify button then enter your phone number and verified account. After verified click enable button that shown on the above image.
6. you will see the text like this,Click "Next"
You will be redirected to AdSense to link your existing AdSense account or create a new one if you do not have one yet. Once you have completed this process, you will be redirected back to YouTube.
7. Google adsense signup page will be shown, Click "Yes, Proceed to Google account Signin". Now You can see "Youtube account information" like below