错误信息：

“ chromedriver”可执行文件必须位于PATH中

我试图在pycharm中使用Selenium编写脚本，但是发生了以上错误。我已经将selenium链接到pycharm上（如此处所示）（最新）。

我是selenium的新手，不是“ selenium”文件夹中的chromedriver。如果不是，我在哪里可以找到它并将其添加到路径中？

顺便说一句，我尝试在cmd中键入“ chromedriver”，但是，它未被识别为内部或外部命令。

错误如下所示：

Traceback (most recent call last):
  File "C:\Users\sebastian\AppData\Local\Programs\Python\Python35-32\lib\site-packages\selenium\webdriver\common\service.py", line 64, in start
    stdout=self.log_file, stderr=self.log_file)
  File "C:\Users\sebastian\AppData\Local\Programs\Python\Python35-32\lib\subprocess.py", line 947, in __init__
    restore_signals, start_new_session)
  File "C:\Users\sebastian\AppData\Local\Programs\Python\Python35-32\lib\subprocess.py", line 1224, in _execute_child
    startupinfo)
PermissionError: [WinError 5] Permission denied

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:/Users/sebastian/PycharmProjects/web/bot.py", line 10, in <module>
    browser = webdriver.Chrome("C:/Users/sebastian/desktop/selenium-3.0.1")
  File "C:\Users\sebastian\AppData\Local\Programs\Python\Python35-32\lib\site-packages\selenium\webdriver\chrome\webdriver.py", line 62, in __init__
    self.service.start()
  File "C:\Users\sebastian\AppData\Local\Programs\Python\Python35-32\lib\site-packages\selenium\webdriver\common\service.py", line 76, in start
    os.path.basename(self.path), self.start_error_message)
selenium.common.exceptions.WebDriverException: Message: 'selenium-3.0.1' executable may have wrong permissions. Please see https://sites.google.com/a/chromium.org/chromedriver/home

Exception ignored in: <bound method Service.__del__ of <selenium.webdriver.chrome.service.Service object at 0x01EDEAF0>>
Traceback (most recent call last):
  File "C:\Users\sebastian\AppData\Local\Programs\Python\Python35-32\lib\site-packages\selenium\webdriver\common\service.py", line 163, in __del__
    self.stop()
  File "C:\Users\sebastian\AppData\Local\Programs\Python\Python35-32\lib\site-packages\selenium\webdriver\common\service.py", line 135, in stop
    if self.process is None:
AttributeError: 'Service' object has no attribute 'process'