SignUpPage.cs

public partial class SignUpPage
{
    private readonly IWebDriver _driver;
    private readonly string _url = @"https://www.telerik.com/login/v2";

    public SignUpPage(IWebDriver browser)
    {
        _driver = browser;
        MainNavigationSection = new MainNavigationSection(_driver);
        ConnectWithSection = new ConnectWithSection(_driver);
    }

    public MainNavigationSection MainNavigationSection { get; private set; }
    public ConnectWithSection ConnectWithSection { get; private set; }

    public void Navigate() => _driver.Navigate().GoToUrl(_url);

    public void SignUpDefault(string email, string password)
    {
        FirstName.SendKeys(Guid.NewGuid().ToString());
        LastName.SendKeys(Guid.NewGuid().ToString());
        Company.SendKeys("Automate The Planet");
        Country.SelectByText("Bulgaria");
        Phone.SendKeys("+44 13 4436 0444");
        Email.SendKeys(email);
        Password.SendKeys(password);
        LaunchButton.Click();
    }
}