CAD各版本注册表
"SOFTWARE\Autodesk\AutoCAD\R15.0\ACAD-1:804" \'2000中文版
"SOFTWARE\Autodesk\AutoCAD\R15.0\ACAD-1:409" \'2000英文版
"SOFTWARE\Autodesk\AutoCAD\R15.0\ACAD-1:804" \'2002中文版
"SOFTWARE\Autodesk\AutoCAD\R15.0\ACAD-1:409" \'2002英文版
"SOFTWARE\Autodesk\AutoCAD\R16.0\ACAD-201:804" \'2004中文版
"SOFTWARE\Autodesk\AutoCAD\R16.0\ACAD-201:409" \'2004英文版
"SOFTWARE\Autodesk\AutoCAD\R16.1\ACAD-301:804" \'2005中文版
"SOFTWARE\Autodesk\AutoCAD\R16.1\ACAD-301:409" \'2005英文版
"SOFTWARE\Autodesk\AutoCAD\R16.2\ACAD-4001:804" \'2006中文版
"SOFTWARE\Autodesk\AutoCAD\R16.2\ACAD-4001:409" \'2006英文版
"SOFTWARE\Autodesk\AutoCAD\R17.0\ACAD-5001:804" \'2007中文版
"SOFTWARE\Autodesk\AutoCAD\R17.0\ACAD-5001:409" \'2007英文版
"SOFTWARE\Autodesk\AutoCAD\R17.1\ACAD-6001:804" \'2008中文版
"SOFTWARE\Autodesk\AutoCAD\R17.1\ACAD-6001:409" \'2008英文版
"SOFTWARE\Autodesk\AutoCAD\R17.2\ACAD-7001:804" \'2009中文版
"SOFTWARE\Autodesk\AutoCAD\R17.2\ACAD-7001:409" \'2009英文版
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对于上面，没错，2000和2002的位置是相同的，囧。居然这样。
AutoCAD 2010
HKEY_LOCAL_MACHINE\SOFTWARE\Autodesk\AutoCAD\R18.0\ACAD-8001:804
AutoCAD 2010 (32)
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Autodesk\AutoCAD\R18.0\ACAD-8001:804
AutoCAD 2011
HKEY_LOCAL_MACHINE\SOFTWARE\Autodesk\AutoCAD\R18.1\ACAD-9001:804
AutoCAD 2011 (32)
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Autodesk\AutoCAD\R18.1\ACAD-9001:804
AutoCAD 2012
HKEY_LOCAL_MACHINE\SOFTWARE\Autodesk\AutoCAD\R18.2\ACAD-A001:804
AutoCAD 2012 (32)
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Autodesk\AutoCAD\R18.2\ACAD-A001:804
AutoCAD 2013
HKEY_LOCAL_MACHINE\SOFTWARE\Autodesk\AutoCAD\R19.0\ACAD-B001:804
AutoCAD 2013 (32)
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Autodesk\AutoCAD\R19.0\ACAD-B001:804
AutoCAD 2014
HKEY_LOCAL_MACHINE\SOFTWARE\Autodesk\AutoCAD\R19.1\ACAD-D001:804
AutoCAD 2014(32)
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Autodesk\AutoCAD\R19.1\ACAD-D001:804
AutoCAD 2015
HKEY_LOCAL_MACHINE\SOFTWARE\Autodesk\AutoCAD\R20.0\ACAD-E001:804
AutoCAD 2015 (32)
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Autodesk\AutoCAD\R20.0\ACAD-E001:804
Civil 3D 2012
HKEY_LOCAL_MACHINE\SOFTWARE\Autodesk\AutoCAD\R18.2\ACAD-A000:804
Civil 3D 2012 (32)
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Autodesk\AutoCAD\R18.2\ACAD-A000:804
Civil 3D 2013
HKEY_LOCAL_MACHINE\SOFTWARE\Autodesk\AutoCAD\R19.0\ACAD-B000:804
Civil 3D 2013 (32)
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Autodesk\AutoCAD\R19.0\ACAD-B000:804