At any time you can open it using the main menu: View | Tool Windows | Python Packages. This window is enabled by default, and you can find it in the lower group of the tool windows.
The Python Packages tool window provides the quickest and neat way to preview and install packages for the currently selected Python interpreter. This tool window is available in P圜harm 2021.1 and later Manage packages in the Python Packages tool window In P圜harm, you can preview and manage packages in the Python Packages tool window and in the Python interpreter Settings/Preferences. For Conda environments you can use the conda package manager. By default, P圜harm uses pip to manage project packages. P圜harm provides methods for installing, uninstalling, and upgrading Python packages for a particular Python interpreter.