Download Selenium jar from firefox Browser

This post objective is to illustrate how to use Selenium from Firefox Browser.
Java code snippet is here:

@Test

 public void testDownload() throws Exception {

  WebDriver driver = new FirefoxDriver(FirefoxDriverProfile());

  driver.manage().window().maximize();

  driver.get("http://seleniumhq.org");

  Thread.sleep(5000);

  driver.findElement(By.linkText("Download")).click();

  Thread.sleep(5000);

  driver.findElement(By.linkText("2.46.0")).click();

  Thread.sleep(5000);

 }


 public static FirefoxProfile FirefoxDriverProfile() {

  FirefoxProfile profile = new FirefoxProfile();

  profile.setPreference("browser.download.folderlist", 2);

  profile.setPreference("browser.download.manager.showWhenStarting",false);

  profile.setPreference("browser.download.dir", "E:\\sari\\os");

  profile.setPreference("browser.helperApps.neverAsk.openFile","text/csv,application/x-msexcel,application/excel,application/x-excel,application/vnd.ms-excel,image/png,image/jpeg,text/html,text/plain,application/msword,application/xml,application/java-archive");

  profile.setPreference("browser.helperApps.neverAsk.saveToDisk","text/csv,application/x-msexcel,application/excel,application/x-excel,application/vnd.ms-excel,image/png,image/jpeg,text/html,text/plain,application/msword,application/xml,application/java-archive");

  profile.setPreference("browser.helperApps.alwaysAsk.force", false);

  profile.setPreference("browser.download.manager.alertOnEXEOpen", false);

  profile.setPreference("browser.download.manager.focusWhenStarting",false);

  profile.setPreference("browser.download.manager.useWindow", false);

  profile.setPreference("browser.download.manager.showAlertOnComplete",false);

  profile.setPreference("browser.download.manager.closeWhenDone", false);

  return profile;

 }