Hi guys how I can install: OpenSSL PHP Extension, Mbstring PHP Extension, Tokenizer PHP Extension

And:

Built using Laravel 5.2 Framework
Coffeescript
AngularJS
Gulp
Bootstrap 4

Can someone send me the commands or tutorial how to do that? and which ubuntu I need use? Thank you so much I want install it in my server: https://codecanyon.net/item/google-play-app-store-cms/20614679