1. install java
2. Download plantuml.jar
3. Download PlantUML_Notepad-_UDL (optional)
4. move UDL to folder for import
5. %AppData%\Notepad++\userDefineLangs
6. restart notepad++
7. create plantuml.bat
8. menu execute –> run external program insert cmd PathToYour\PlantUML\plantuml.bat “$(FULL_CURRENT_PATH)”

content of plantuml.bat

   @echo off
   java -jar Z:\plantUML\plantuml.jar -charset UTF-8 -o "C:\Users\ae\Pictures" %1