YouTube is a great way to share your content with the world. However, if you have lost your channel or it has been taken down, there are a few steps you can take to get it back up and running. First, make sure that you are logged in to your account and that your channel settings are correct. If everything is correct, go ahead and create a new channel and start sharing your videos again. If you have lost access to your account or if the channel has been taken down for some reason, you can also try contacting YouTube support. They may be able to help you get your channel back up and running.