You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

pysimplegui
4.51.5

This version was deleted from PyPI around 2024-06-02. Installing fails with:
$ pip3 install pysimplegui==4.51.5 ERROR: Could not find a version that satisfies the requirement pysimplegui==4.51.5
View other deleted versions of pysimplegui

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2024-06-01/ \ pysimplegui==4.51.5
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
PySimpleGUI-4.51.5-py3-none-any.whl (365.1KB)
PySimpleGUI-4.51.5.tar.gz (376.7KB)