Python (OpenCV) How to setup Install Requirement have python3 installed create a dedicated virtual env $ virtualenv -p python3 py-opencv # this create a folder py-opencv $ cd py-opencv install python binding $ virtualenv -p python3 py-opencv # this create a folder py-opencv $ pip3 install --force-reinstall -v "opencv-python==4.5.4" # will list available version if not found $ pip3 install opencv-python # or get latest version Test Install python3 >>>import cv2 >>>print(cv2.__version__) see also Mouse and Trackbar in OpenCV GUI Written on March 8, 2023, Last update on March 11, 2023 python opencv