as Administrator (right-click → Run as Administrator).
Q: Can I use the Language Pack for other Autocad versions? A: No, the Autocad 2018 Language Pack is specifically designed for Autocad 2018 and may not be compatible with other versions. Autocad 2018 Language Pack English Download
Always verify file hashes. The official English language pack .exe for AutoCAD 2018 (64-bit) has a SHA-256 hash that Autodesk support can provide upon request. as Administrator (right-click → Run as Administrator)
Check Task Manager to ensure no acad.exe processes are running. Autocad 2018 Language Pack English Download
A: Yes, if you own a valid license or educational entitlement for AutoCAD 2018, language packs are provided at no extra cost.
There is for AutoCAD 2018 available for download today. Your only safe options are: