How to resolve the issue of being unable to install various libraries on Pycharm?

The issue of being unable to install libraries on PyCharm may be caused by the following reasons:

1. Network issue: Firstly, make sure your internet connection is working properly. You can try accessing the same URL using a browser to download the installation package to confirm if it is a network problem.
2. Proxy settings: If you access the internet through a proxy server, you will need to configure the correct proxy settings in PyCharm. You can find the “HTTP Proxy” option in PyCharm settings and configure it according to your network environment.
3. Firewall issue: If you have a firewall or security software on your computer, it may prevent PyCharm from accessing the internet. You can try temporarily disabling the firewall or security software, then retry installing the library.
4. PyCharm setup issue: Make sure to check the Python interpreter configuration in PyCharm to ensure you are using the correct one. You can find the “Project Interpreter” option in PyCharm settings and check the installed Python interpreters. If the interpreter is not correctly set up, you can manually add or reconfigure the Python interpreter.
5. Permission issue in PyCharm: On certain operating systems, PyCharm may require administrator privileges to install libraries. Try running PyCharm as an administrator and then attempt to install the libraries again.

If the previous methods do not resolve the issue, you can try installing the library using the pip command in the command line to determine if the problem is related to PyCharm. Simply open a command line window and run a command similar to the following to install the library:

pip install 库名

If the library cannot be installed via the command line, it may be due to other system or network issues. You can try installing it on another computer or consult technical support.