https://support.google.com/youtube/answer/4489286?co=GENIE.Platform%3DDesktop&hl=en
Subscribe to YouTube channels - Computer - YouTube Help
You can subscribe to channels you like to see more content from those channels. You can find a Subscribe button under any YouTube video or on a channel's page....
subscribe to youtubechannelscomputerhelp
https://comedianjim.blogspot.com/2023/01/please-subscribe-to-my-youtube-channel_9.html
INSIDE MY HEAD: Please Subscribe to My YouTube Channel
inside my headsubscribe to youtubepleasechannel