PyCharm Professional requires a valid license for use. You can purchase a license directly from the JetBrains website or through authorized resellers. The pricing varies depending on your location, with discounts available for students, educators, and small businesses.
Integrated IPython Notebook support and the NumPy array viewer, along with improved matplotlib support in the Python console.
Downloading this specific version is a waste of time unless you are a vintage software collector or testing legacy apps on Python 3.4–3.5.
Powerful debugging capabilities, including graphical debugging.
Are you working on ? Are you a student, hobbyist, or professional developer ? Share public link PyCharm Professional requires a valid license for use
JetBrains PyCharm Professional is a . While JetBrains offers a free Community Edition, the Professional Edition requires a valid license.
If you are looking for a professional-grade IDE without the cost, JetBrains offers several official alternatives: PyCharm Community Edition:
: Pirated versions cannot receive critical security patches or bug fixes.
The PyCharm landscape has changed so dramatically since the 4.0.5 release in 2015 that the legacy version is effectively for serious modern development. Here is what you are missing and why upgrading to the latest version is not just safe, but essential. Integrated IPython Notebook support and the NumPy array
PyCharm v4.0 is an legacy version of the software released over a decade ago.
Requires a paid license. It adds support for HTML, JS, SQL, and professional web frameworks. The Risks of "Free License" Downloads
While the specific version v4.0.5.147.1012 appears to be a very old build of PyCharm Professional (dating back several major release cycles), it represents the type of powerful, feature-rich Integrated Development Environment (IDE) that JetBrains is known for. JetBrains regularly releases updates, with major versions rolling out annually. For context, as of 2026, PyCharm has evolved significantly, with versions like 2026.1 incorporating features such as and the introduction of Kotlin notebooks , showcasing the rapid pace of IDE development.
(especially older versions like v4.0.5) carries significant security risks. Are you working on
: JetBrains offers a free trial for PyCharm Professional, allowing you to use the full version for a limited time. This can be a good way to evaluate the software.
If you want, I can instead provide any of the following legitimate, useful alternatives:
: Includes full Python coding assistance, debugging, linting, and Git integration.
If you need help deciding which version fits your project, tell me: