Can't install your AutoCAD? Having issues while running AutoCAD? The Longbow Converter App is designed to solve issues installing and/or running your AutoCAD on new versions of Windows.
Run your legacy versions of AutoCAD on 64bit Windows 10 and Windows 11.
Using the latest runtime technologies to make even the oldest versions of AutoCAD run natively just like they did in Windows XP.
Keep what you know and move your existing AutoCAD to the latest Windows 64bit system
The Longbow Converter App does not rely on any virtual machine technologies. After successfully converting your AutoCAD to be compatible with your preferred Windows version, you have the option to uninstall the Converter, as your original AutoCAD version will be fully and seamlessly integrated into the system.
The Longbow Converter eliminates the need for resource-intensive virtual machine setups and avoids the requirement for background management services. You can effortlessly operate your legacy AutoCAD on both 64-bit and 32-bit versions of Windows 10 and Windows 11, making the process completely native to the operating system.
Whatever installer error is preventing you from installing your AutoCAD our Converter App provides the solution (includes full support for AutoCAD versions that utilize 16bit setup media)
Keep your valuable work processes alive by running your 32bit AutoCAD natively on 64bit Windows.
Being able to run your existing 32bit AutoCAD on 64bit Windows can be extremely important, here's why...
Your whole business revolves around a single version of AutoCAD
Your entire company depends on a specific workflow encompassing document management, lisp routines, and more. Transitioning to a different AutoCAD version has the potential to disrupt this established process.
Dependency on 3rd party plugin
Many AutoCAD users rely on third-party plug-ins that are often exclusively compatible with the version of AutoCAD they are currently using. Preserving the functionality of your existing AutoCAD version becomes imperative in such cases. Below is a list of 3rd-party AutoCAD plug-ins that the Longbow Converter App supports...
64bit AutoCAD VBA can be almost 1000x slower vs 32bit AutoCAD VBA making making your valuable scripts frustrating to use
32bit external device drivers driving CNC machines or other large investment not compatible with 64bit AutoCAD (only 32bit AutoCAD)
Our Converter App solves all the common problems related to running old XP compatible software on new versions of Windows; security permissions, platform runtime checks, install failures, runtime crashing and more...
The latest tools and extensions include multiple new features that maximize the performance of your old software running on the latest hardware, including...
Configure your 32bit AutoCAD to utilize up to 4GB of RAM on a 64bit system (instead the standard 2GB limit) - doubling your software's accessible RAM and significantly reducing your chances of running out of memory
Block all internet access to and from your AutoCAD to prevent external interference via tracking or monitoring ensuring the existing state of your AutoCAD can never be affected
Want to remove all Autodesk products from your PC, use this tool to uninstall each and every Autodesk product from your PC
Check out our How to help blog on installing your legacy AutoCAD on 64bit Windows 10 and Windows 11 - simply search for your AutoCAD version.
Here are some examples...
We support running over 1300 combinations of AutoCAD versions (dating back to 1993)...
All the versions listed below are fully supported on Windows 10 and Windows 11 (32bit and 64bit)
AutoCAD R13 (Windows version support only)
AutoCAD R14 (non-dongle support only)
AutoCAD 2000 (non-dongle support only)
AutoCAD 2000i (US unlocked support only)
AutoCAD 2002 (US unlocked support only)
AutoCAD 2004 (US unlocked support only)
AutoCAD 2005, 2006, 2007
AutoCAD 2008, 2009, 2010 (full 32bit and 64bit support)
AutoCAD 2011, 2012, 2013 (full 32bit and 64bit support)
AutoCAD 2014, 2015, 2016 (full 32bit and 64bit support)
AutoCAD 2017, 2018 (full 32bit and 64bit support)
AutoCAD 2019 (full 32bit and 64bit support)
AutoCAD 2020 (64bit "Run offline" support only)
AutoCAD 2021 (64bit "Run offline" support only)
AutoCAD 2022 (64bit "Run offline" support only)
AutoCAD 2023 (64bit "Run offline" support only)
Special versions of AutoCAD (aka verticals) are also supported against the list above including....
AutoCAD Raster Design
AutoCAD ADT/AutoCAD Architecture/Softdesk
AutoCAD Mechanical/AutoCAD MDT
AutoCAD Civl3d (no support for 2011, 2012)
AutoCAD Electrical/AutoCAD MEP
AutoCAD Land/AutoCAD LDT