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Python Launcher 2.1.0.0, released by Oleksis Fraga, is a lightweight Windows utility whose sole purpose is to remove the friction normally associated with juggling several Python interpreters on the same machine. Installed once, it intercepts every python or py command, scans the current directory and user PATH, then automatically selects the interpreter whose major.minor version best matches a shebang line, a py.ini preference, or the latest stable copy available. Developers no longer need to type full paths or manipulate system environment variables when switching between Python 2 legacy code, Python 3.12 for new projects, or an experimental 3.13 pre-release. Build scripts, CI pipelines, and IDE toolchains therefore become portable across workstations because the identical command syntax is guaranteed to invoke the correct binary regardless of where each interpreter is installed. The program is equally useful to data scientists who keep separate conda and python.org distributions, educators who distribute exercises locked to a specific version, and DevOps engineers who validate packages on multiple runtimes before deployment. Three published releases—1.0, 2.0, and the current 2.1.0.0—have progressively added support for Windows Store Python, ARM64 interpreters, and longer PATH lists without measurable startup delay. Because the launcher is shipped under an open-source licence and carries no external dependencies, it occupies less than a megabyte on disk and adds no background service. The utility is classified within the Developer Tools / Interpreter Launchers category and is available for free on get.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version and supporting batch installation of multiple applications.
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