How to download and setup http2
Open terminal and run command
                                            git clone https://github.com/nodejs/http2.git
                                        
                                        git clone is used to create a copy or clone of http2 repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with http2 https://github.com/nodejs/http2/archive/master.zip
Or simply clone http2 with SSH
                                            [email protected]:nodejs/http2.git                                    
                                    If you have some problems with http2
You may open issue on http2 support forum (system) here: https://github.com/nodejs/http2/issuesSimilar to http2 repositories
Here you may see http2 alternatives and analogs
node next.js pm2 awesome-nodejs mocha ava nuxt NodeBB stdlib reactide brain.js backpack nvm-windows hashmap node-xml2js next-routes nodemon mean validator.js ws shelljs protractor nest apex supertest nock habitica dillinger node-elm vorpal