You need to create your "channel" and that is where you going to focus on and produce related videos. When people found your channel and there is groups of videos that they like, they going to subscribe to you and listen to your new videos. The conversion rate and watch time will be improving too.
You can share on social network. You earn many traffic from them and you can SEO on google, bing,... It will earn traffic
You want to optimize your video. Title, body and keywords as well as the correct file name. Youtube is your best bet for the fastest way to find out how to do this. Then once your video is optimized correctly you can do some backlinking to your video to increase your serps and views.
Firstly view youtube than You share video link on social media sites like facebook, Google plus,twitter, and other.
Umm.. If you are trying to promote video by baiting views on forums, I guess you are doing a great job Good thing I didn't click on it!