根据Autodesk公司官方说明，AutoCAD软件安装介质中不再单独提供Visual Basic for Applications（VBA）引擎，用户可以通过以下地址自行下载安装。

1、AutoCAD 2016 VBA module 32位64位下载地址：
https://download.autodesk.com/us/support/files/genuine/AutoCAD_2016_AcVbaInstaller_Win_32bit_GL_dlm.sfx.exe
https://download.autodesk.com/us/support/files/genuine/AutoCAD_2016_AcVbaInstaller_Win_64bit_GL_dlm.sfx.exe

2、AutoCAD 2017 VBA module 32位64位下载地址：
https://download.autodesk.com/us/support/files/genuine/AutoCAD_2017_VBA_module_Win_32bit_GL_dlm.sfx.exe
https://download.autodesk.com/us/support/files/genuine/AutoCAD_2017_VBA_module_Win_64bit_GL_dlm.sfx.exe

3、AutoCAD 2018 VBA module 32位64位下载地址：
https://download.autodesk.com/us/support/files/genuine/AutoCAD_2018_VBA_module_Win_32bit_GL_dlm.sfx.exe
https://download.autodesk.com/us/support/files/genuine/AutoCAD_2018_VBA_module_Win_64bit_GL_dlm.sfx.exe

4、AutoCAD 2019 VBA module 32位64位下载地址：
https://download.autodesk.com/us/support/files/genuine/AutoCAD_2019_AcVbaInstaller_Win_32bit_GL_dlm.sfx.exe
https://download.autodesk.com/us/support/files/genuine/AutoCAD_2019_AcVbaInstaller_Win_64bit_GL_dlm.sfx.exe

5、AutoCAD 2020 VBA module 64位下载地址：
https://download.autodesk.com/us/support/files/autocad/vba-module/autocad_2020_1_1_acvbainstaller_win_64bit_dlm.sfx.exe

6、AutoCAD 2021 VBA module 64位下载地址：
https://download.autodesk.com/us/support/microsoft-vba-module-for-autocad/autocad_2021_acvbainstaller_win_64bit_dlm.sfx.exe

7、AutoCAD 2022 VBA module 64位下载地址：
https://download.autodesk.com/us/support/autocad_2022_vba_module/autocad_2022_acvbainstaller_win_64bit_dlm.sfx.exe