If you need to free up space or no longer require a specific translation, removal is handled directly through your operating system: Language Packs MEP / ACA 2018? - Forums, Autodesk
To confirm successful installation:
If you answered "yes" to all, download your required language pack from the Autodesk Account portal, apply the /language switch to your desktop shortcut, and design without borders. autocad 2018 language pack
The core AutoCAD software must be installed first. If you need to free up space or