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 Home » Freeware Downloads » Programming, Coding & Software Development » Thonny v4.1.1   
File - Download Thonny v4.1.1

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Thonny v4.1.1

A Python IDE meant for learning programming.


Easy to get started. Thonny comes with Python 3.7 built in, so just one simple installer is needed and you're ready to learn programming. (You can also use a separate Python installation, if necessary.) The initial user interface is stripped of all features that may distract beginners.

No-hassle variables. Once you're done with hello-worlds, select View → Variables and see how your programs and shell commands affect Python variables.

Simple debugger. Just press Ctrl+F5 instead of F5 and you can run your programs step-by-step, no breakpoints needed. Press F6 for a big step and F7 for a small step. Steps follow program structure, not just code lines.

Step through expression evaluation. If you use small steps, then you can even see how Python evaluates your expressions. You can think of this light-blue box as a piece of paper where Python replaces subexpressions with their values, piece-by-piece.

Faithful representation of function calls. Stepping into a function call opens a new window with separate local variables table and code pointer. Good understanding of how function calls work is especially important for understanding recursion.

Highlights syntax errors. Unclosed quotes and parentheses are the most common beginners' syntax errors. Thonny's editor makes these easy to spot.

Explains scopes. Highlighting variable occurrences reminds you that the same name doesn't always mean the same variable and helps spotting typos. Local variables are visually distinguished from globals.

Mode for explaining references. Variables are initially presented according to simplified model (name → value) but you can switch to more realistic model (name → address/id → value).

Code completion. Students can explore APIs with the help of code completion.

Beginner friendly system shell. Select Tools → Open system shell to install extra packages or learn handling Python on command line. PATH and conflicts with other Python interpreters are taken care of by Thonny.

Simple and clean pip GUI. Select Tools → Manage packages for even easier installation of 3rd party packages.

Main development of Thonny took place in Institute of Computer Science of University of Tartu, Estonia.

Changes since 4.1.0
Fix the warning for cases where Thonny avoids user module shadowing a library module (#384)
Fix installing from local file in ESP flashing dialog (#2811)
Use a tilde to separate pre-release versions in the AppData (#2807), by @jwillikers
Use bigger initial width in simple mode
Big progress with Italian translation, by mapi68, Ribezzz and sailslack
Updated Chinese (TW) and English (UK) translations


Default Windows installer (thonny-4.1.1.exe) is now 64-bit and comes with Python 3.10 -- this means it is suitable only for 64-bit Windows 8.1, 10 and 11. For Windows 7, 8 and for 32-bit Windows 10 use thonny-py38-4.1.1.exe which comes with 32-bit Python 3.8.

Windows installers have been signed with a new certificate which hasn't built up its reputation yet! You may need to click through your browser warnings (choose "Keep" instead of "Discard" in Chrome) and Windows Defender warning (More info => Run anyway).

thonny-4.1.1.pkg contains universal2 build of Python 3.10 -- this means it is suitable both for Arm (M1, M2) and Intel Macs.

thonny-4.0.2.bash is a script, which downloads and installs thonny-4.1.1-x86_64.tar.gz (with Python 3.10) when run on x86_64 machines. On other platforms it tries to use system python3 (creates a virtual environment for Thonny and installs thonny and its dependencies there).

This download is for the Windows installer. All other download assets are below:



thonny-4.1.1.bash (right-click and save link)

Click here to visit the author's website.
Continue below for the main download link.

Downloads Views Developer Last Update Version Size Type Rank
4,795 9,667 University of Tartu, Estonia <img src=""border="0"> Jun 12, 2023 - 12:15 4.1.1 20.85MB EXE 5/5, out of 28 Votes.
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Thonny  v4.1.1  
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