Create a google account and go to youtube with puppeteer.

google.js

const puppeteer = require('puppeteer');
const uuid = require('uuid');

const sleep = ms => new Promise(r => setTimeout(r, ms));

(async () => {
    const browser = await puppeteer.launch({ headless: false });
    const page = await browser.newPage();

    const id = uuid.v4();
    const [firstName, lastName] = id.split('-');
    const username = id.slice(0, 30).replace(/-/g, '.');
    const password = `${id}123!`;

    await page.goto('https://accounts.google.com/signin/v2/identifier?hl=en&continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Fhl%3Den%26next%3D%252F%26app%3Ddesktop%26action_handle_signin%3Dtrue&passive=true&service=youtube&uilel=3&flowName=GlifWebSignIn&flowEntry=ServiceLogin');

    // Click "Create an account"
    await Promise.all([
        page.waitForNavigation(),
        page.$x("//div[contains(., \"Create account\") and @role=\"button\"]").click()
    ]);

    // Wait for page to load
    await sleep(1000);

    // Click "Create a Gmail account instead"
    await page.tap('.uBOgn');

    await page.type('#firstName', firstName);
    await page.type('#lastName', lastName);
    await page.type('#username', username);
    await page.type('input[type="password"][name="Passwd"]', password);
    await page.type('input[type="password"][name="ConfirmPasswd"]', password);

    // Click "Next"
    await page.tap('#accountDetailsNext');
})();