You can upload good quality videos with good content. Upload daily when you are new in YouTube. Share your videos to social platforms. And focus on the video title, tags, description and thumbnail.
Good luck
Good luck
Honestly i would worry less about the first 1,000 subscribers and focus on the 4,000 watch hours requirement. 4,000 hours watchtime will get you 1,000 subscribers. But 1,000 subscribers wont necessarily get you 4,000 hours watchtime.