Whole Desktop

(Python)

from selenium.webdriver import Remote, DesiredCapabilities

desired_caps = {}
driver = Remote('http://your-winappdriver-server:4444/wd/hub', desired_caps)

driver.find_element_by_id('username').send_keys('your-username')
driver.find_element_by_id('password').send_keys('your-password')
driver.find_element_by_id('signin').click()