TestTabs.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Threading;

using OpenQA.Selenium;
using OpenQA.Selenium.Opera;
using OpenQA.Selenium.Firefox;
using OpenQA.Selenium.Chrome;
using OpenQA.Selenium.Support.UI;
using NUnit.Framework;

namespace SeleniumDemo
{
    class Program
    {
        static void Main(string[] args)
        {
            /* Declaring variables for web drivers */
            IWebDriver driver;
            WebDriverWait wait;
            
            using (driver = new FirefoxDriver())
            {
                /* Assigning timeout */
                wait = new WebDriverWait(driver, TimeSpan.FromSeconds(30));

                /* Navigating to google.co.in */

                driver.Url = "https://google.com";
                wait.Until<bool>((d) => { return d.Title.Contains("google"); });

                ((IJavaScriptExecutor)driver).ExecuteScript("window.open();");
                driver.SwitchTo().Window(driver.WindowHandles.Last());
                driver.Navigate().GoToUrl("https://msn.com");
                wait.Until<bool>((d) => { return d.Title.Contains("MSN"); });

                IList<string> existingHandles = driver.WindowHandles;

                driver.SwitchTo().Window(driver.WindowHandles.First());

                //elementThatPopsUpNewTab.Click();

                new WebDriverWait(driver, TimeSpan.FromSeconds(120)).Until(ExpectedConditions.ElementToBeClickable(By.XPath("//*[text()='Privacy']")));
                IWebElement registerLink = driver.FindElement(By.XPath("//*[text()='Privacy']"));
                registerLink.Click();
                
                WebDriverWait wait1 = new WebDriverWait(driver, TimeSpan.FromSeconds(5));
                string newTabHandle = wait1.Until<string>((d) =>
                {
                    string foundHandle = null;
                    IList<string> differentHandles = d.WindowHandles.Except(existingHandles).ToList();
                    if (differentHandles.Count > 0)
                    {
                        foundHandle = differentHandles[0];
                    }
                    Console.WriteLine(foundHandle);

                    return foundHandle;
                });
                driver.SwitchTo().Window(newTabHandle);

                foreach (var item in driver.FindElements(By.TagName("a")))
                {
                    Console.WriteLine(item.GetAttribute("href"));
                }

                Console.Read();

                Thread.Sleep(9120000);
            }
        }
    }
}