This guide was needed from v7.6.3 to v7.8.0. Starting in v7.8.1, Python Script is available using Plugins Admin from inside Notepad++, and you no longer need to install it manually as described below.

Users of Notepad++ v7.8.1 and newer may want to look at this FAQ for hints on how to install PythonScript through Plugins Admin, and how to run a script that someone provides in this forum.

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Old Guide

due to repeated requests, on how to install the PythonScript plugin on newer certain versions of notepad++, here’s a …

complete guide how to install pythonscript on notepad++ 7.6.3, 7.6.4 and above v7.6.3 - v7.8.0:

for notepad++ 7.6.4, 64 bit (installed version):

• download and extract PythonScript_Full_1.3.0.0_x64.zip from >>> here <<< to your desktop.
  note: do not use any other available release type, except this zip.

• open %ProgramFiles%\Notepad++\plugins\ in windows explorer and create a folder called PythonScript.

• copy PythonScript.dll from the plugins folder of this extracted zip to:
  %ProgramFiles%\Notepad++\plugins\PythonScript\PythonScript.dll

• copy python27.dll from this extracted zip to:
  %ProgramFiles%\Notepad++\python27.dll

• copy the folders scripts containing machine level scripts and lib containing python libraries, from the zip’s plugins\PythonScript folder to:
  %ProgramFiles%\Notepad++\plugins\PythonScript\

for notepad++ 7.6.4, 32 bit (installed version):

• download and extract PythonScript_Full_1.3.0.0.zip from >>> here <<< to your desktop.
  note: do not use any other available release type, except this zip.

• open %ProgramFiles(x86)%\Notepad++\plugins\ in windows explorer and create a folder called PythonScript.

• copy PythonScript.dll from the plugins folder of this extracted zip to:
  %ProgramFiles(x86)%\Notepad++\plugins\PythonScript\PythonScript.dll

• copy python27.dll from this extracted zip to:
  %ProgramFiles(x86)%\Notepad++\python27.dll

• copy the folders scripts containing machine level scripts and lib containing python libraries, from the zip’s plugins\PythonScript folder to:
  %ProgramFiles(x86)%\Notepad++\plugins\PythonScript\

additional note: if you have installed notepad++ to a different location than the default, please adapt %ProgramFiles(x86)%\Notepad++or %ProgramFiles%\Notepad++ to your custom path.

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Out of Date

This guide was needed from v7.6.3 to v7.8.0. Starting in v7.8.1, Python Script is available using Plugins Admin from inside Notepad++, and you no longer need to install it manually as described here.

edit: moderator added Out of Date notification