Create Valuable Content
If you create valuable content tour your Channel and if your patient the subscribers will come to your channel automatically. Watch other channels. And look at your own content. Would you watch your own content it was not created by yourself? In other words would you subscribe to your own channel? If the answer is no or maybe you have some work to do.
To create valuable content you will need good equipment. Invest in a good (vlog) camera, a good microphone, a tripod. But also in good video editing software, this will help you to make your videos stand out from the crowd.