Error selenium [winerror 2]

[dk2010]

Hi! I'm quite new to programming and i get the following error:
Could anyone please help to fix this :)?

Exception in thread Thread-1:
Traceback (most recent call last):
File "C:\Users\nlkroe03\Python\lib\site-packages\selenium\webdriver\common\service.py", line 74, in start
stdout=self.log_file, stderr=self.log_file)
File "C:\Users\nlkroe03\Python\lib\subprocess.py", line 709, in init
restore_signals, start_new_session)
File "C:\Users\nlkroe03\Python\lib\subprocess.py", line 997, in _execute_child
startupinfo)
FileNotFoundError: [WinError 2] The system cannot find the file specified

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:\Users\nlkroe03\Python\lib\threading.py", line 916, in _bootstrap_inner
self.run()
File "C:\Users\nlkroe03\Python\lib\threading.py", line 864, in run
self._target(*self._args, **self._kwargs)
File "C:/Users/nlkroe03/Desktop/Afstuderen/python/Twitter old tweets/TwSearchEnabled-master/tweetsearch.py", line 39, in getTweet
browser = webdriver.Firefox()
File "C:\Users\nlkroe03\Python\lib\site-packages\selenium\webdriver\firefox\webdriver.py", line 144, in init
self.service.start()
File "C:\Users\nlkroe03\Python\lib\site-packages\selenium\webdriver\common\service.py", line 81, in start
os.path.basename(self.path), self.start_error_message)
selenium.common.exceptions.WebDriverException: Message: 'geckodriver' executable needs to be in PATH.

[mpfarmer]

@dk2010
Can you refer to this issue, sorry didn't respond to you.
https://stackoverflow.com/questions/40208051/selenium-using-python-geckodriver-executable-needs-to-be-in-path