Pycharm Community Edition Portable ⚡ Extended

Go to jetbrains.com/pycharm/download and download the Community Edition .exe installer (not the .exe portable launcher – that doesn’t exist officially).

Save this as run-pycharm.bat next to the extracted folder: pycharm community edition portable

@echo off
set PYCHARM_ROOT=%~dp0PyCharm-Community-Portable
set PYCHARM_DATA=%~dp0PyCharmData
if not exist "%PYCHARM_DATA%" mkdir "%PYCHARM_DATA%"
"%PYCHARM_ROOT%\bin\pycharm64.exe" -Didea.config.path="%PYCHARM_DATA%\config" -Didea.system.path="%PYCHARM_DATA%\system"

This keeps all configs inside PyCharmData alongside the USB drive root. Go to jetbrains

On a target machine with 16GB+ RAM, increase PyCharm’s memory. Edit bin\pycharm64.vmoptions (create it if missing) and add: This keeps all configs inside PyCharmData alongside the

-Xms256m
-Xmx2048m
-XX:ReservedCodeCacheSize=512m