There are different sorts of video tutorial presented which address some useful information on each topic along with their simple introductions.Each tutorial is given with information on its subject, highlights, duration, and etc. Our team will provide more and more examples by time. you can find all specifications about video tutorials (duration, Scope, content, file format, resulotion,...)in it`s own page. All video tutorials are prepared with subtitle and voice. All videoes are uploaded in Sellfy servers, which is a secure place for downloading digital products. You can buy our video tutorials and pay by paypal with your credit/debit/visa/master card. Once purchased, if you're not satisfied with video tutorials for any reason, you can Email us for a 100% refund.