Your Customized Social Media and Website Links On YouTube Moved

 If you have a YouTube channel the external links created are no longer located inside your channel art. They are now located inside your "About" section on your channel. They are highlighted under your channel's main page. 

Adding a link inside your description box under a video requires another enable opt in located under settings, channel advanced features. Some channels with hostory are auto enabled. Some new channels will need to to either wait until a channel is in full swing or supply Google with requirments. On your channel under YouTube Studio. Click Customization and then basic info. Scroll down to add Links. Add link hit publish and the new link will show up under view your channel under banner. Another suggestion go to link tree and create a link to all your social platforms and us ethat link. Once on the channel it allows another avenue to show folks all your platforms.