أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
There is no simple answer to this question as the opinion might vary from person to person. Some of the basic steps that might stay same for which you can read further.
Options on How to Start a Video Sharing Platform
A. Create your own team of developers and marketers
B. Hire an Agency with existing experience
Steps for creating a video sharing platform
1. Finance
2. Survey
3. Feature Finalization 
4. Design
5. Development
6. Testing
7. Launch
8. Maintenance & Support
To know more about How to build an app like YouTube – Cost, Features, Business Model read this Blog.
