Installing 32bit AutoCAD Architecture 2013 on Windows 7, Windows 8 and Windows 10

NOTE: This blog post specifically solves issues related to these error messages on installation… “This operating system is not supported by AutoCAD® Architecture® 2013” “You cannot install this product on the current operating system” “You are attempting to use a 32-bit installer on a 64-bit operating system” “This is a 32-bit AutoCAD® Architecture® 2013. It […]

Installing 32bit AutoCAD 2013 on Windows 7, Windows 8 and Windows 10

These instructions solve issues around installing/running your old AutoCAD 2013 on newer versions of 64bit Windows 7, Windows 8 and Windows 10. Some common issues are error messages like these… “This operating system is not supported by AutoCAD® 2013” “You cannot install this product on the current operating system” “You are attempting to use a 32-bit […]

Installing 32bit AutoCAD MEP 2013 on Windows 7, Windows 8 and Windows 10

These instructions solve issues around installing/running your old AutoCAD MEP 2013 on newer versions of 64bit Windows 7, Windows 8 and Windows 10. Some common issues are error messages like these… “This operating system is not supported by AutoCAD MEP 2013” “You cannot install this product on the current operating system” “You are attempting to use […]

Installing 32bit AutoCAD LT 2013 on Windows 7, Windows 8 and Windows 10

NOTE: This blog post specifically solves issues related to these error messages on installation… “This operating system is not supported by AutoCAD LT®” “You cannot install this product on the current operating system” “You are attempting to use a 32-bit installer on a 64-bit operating system” “This is a 32-bit AutoCAD LT® 2013. It cannot […]

Why run 32bit AutoCAD on 64bit Windows

AutoCAD versions pre 2008 AutoCAD R13 | AutoCAD R14 | AutoCAD 2000 | AutoCAD 2000i |AutoCAD 2002 | AutoCAD 2004 | AutoCAD 2005 | AutoCAD 2006 | AutoCAD 2007 Users of these really old AutoCAD versions have literally been using them for decades and moving to a new version of AutoCAD is extremely disruptive for […]

Installing old versions of AutoCAD on Windows 7, Windows 8 and Windows 10

Old versions of AutoCAD were not designed to run in newer versions of Windows and you will find that installing them as you always did before will encounter lots of issues, even failing while installing too. The Longbow Converter app allows old versions of AutoCAD to be installed on new versions of Windows, removing all […]

Installing 64bit AutoCAD Civil 3d 2013 on Windows 10 64bit

Your 64bit AutoCAD Civil3d 2013 was never designed to run in Windows 10 (this version of Windows is newer than AutoCAD 2013). In order for your AutoCAD Civil3d 2013 to run as it did in previous versions of Windows, you need to follow these easy steps… Install 64bit AutoCAD Civil 3D 2009 Make sure all previous installed versions of AutoCAD […]

Installing 32bit AutoCAD Mechanical 2010 on Windows 7, Windows 8 and Windows 10 64bit

NOTE: This blog post specifically solves issues related to these error messages on installation… “This operating system is not supported by AutoCAD Mechanical® 2010” “You cannot install this product on the current operating system” “You are attempting to use a 32-bit installer on a 64-bit operating system” “This is a 32-bit AutoCAD Mechanical® 2010. It […]

Installing 64bit AutoCAD LT 2013 on Windows 10 64bit

Your 64bit AutoCAD LT 2013 was never designed to run in Windows 10 (this version of Windows is newer than AutoCAD LT 2013). In order for your AutoCAD LT 2013 to run as it did in previous versions of Windows, you need to follow these easy steps… NOTE: These steps do not bypass normal Autodesk licensing/authorization, you should expect to use your […]

Installing 32bit AutoCAD Mechanical 2009 on Windows 7, Windows 8 and Windows 10 64bit

NOTE: This blog post specifically solves issues related to these error messages on installation… “This operating system is not supported by AutoCAD Mechanical® 2009” “You cannot install this product on the current operating system” “You are attempting to use a 32-bit installer on a 64-bit operating system” “This is a 32-bit AutoCAD Mechanical® 2009. It […]

Visual Basic Applications run very slow in AutoCAD 64bit

If you use VBA inside of 32bit AutoCAD you will have noticed that it is around 1000x times slower when running the same VBA code inside of 64bit AutoCAD. This is because AutoCAD 64bit ships with the 32bit VBA DLL in a separate out-of-process executable rather than loading the VBA DLL inside of AutoCAD itself. […]

Interactions with the AutoCAD Ribbon crashes AutoCAD on Windows 10 (Solved)

Users complain of “autocad crashes when clicking anything” and “autocad crashing when using ribbon” It seems that a new Computers with the latest version of Windows 10 or computers that recently ran Windows Update for Windows 10 has caused Ribbon crashing issues with AutoCAD versions… AutoCAD 2012 AutoCAD 2013 AutoCAD 2014 AutoCAD 2015 AutoCAD starts up, […]

Installing 64bit AutoCAD 2013 on Windows 10 64bit

Your 64bit AutoCAD 2013 was not designed to run in Windows 10 (this version of Windows is newer than AutoCAD 2013). In order for your AutoCAD 2013 to run as it did in previous versions of Windows, you need to follow these easy steps… Install 64bit AutoCAD 2013 Make sure all previous installed versions of […]

Installing 64bit AutoCAD Architecture 2013 on Windows 10 64bit

Your 64bit AutoCAD Architecture 2013 (ADT 2013) was never designed to run in Windows 10 (this version of Windows is newer than AutoCAD 2013). In order for your AutoCAD Architecture 2013 to run as it did in previous versions of Windows, you need to follow these easy steps… NOTE: These steps do not bypass normal Autodesk licensing/authorization, you should expect to use […]

Upgrading your existing AutoCAD to Windows 10 and Windows 11

So you have an old PC with a working copy of AutoCAD and you want to upgrade to Windows 10? STOP and read this whole blog first before you wipe your working PC… Autodesk License Activation for older versions of AutoCAD That’s right, Autodesk no longer support versions of AutoCAD (at the time of writing […]

Installing Map 3D 2013 32bit on Windows 7, Windows 8 and Windows 10

NOTE: This blog post specifically solves issues related to these error messages on installation of AutoCAD Map3d 2013… “This operating system is not supported by AutoCAD® Map 3D®” “You cannot install this product on the current operating system” “You are attempting to use a 32-bit installer on a 64-bit operating system” “This is a 32-bit […]

Solving the AutoCAD Failed Installation, Aborted 1603 error

What is the 1603 Install Error The 1603 MSI installer error is a generic error code “A fatal error occurred during installation” on Windows 7, Windows 8 or Windows 10. Basically,  it’s not specific; anything could have gone wrong. Microsoft document this error and lots of possible ways to solve it here… You receive an […]

Verifying License… AutoCAD not responding… Crash!

Windows 10, Windows 7, Windows 8 and Windows 8.1 users (32bit and 64bit) – If you are encountering Autodesk licensing issues such as blank Authorization code (authcode) screens or even crashing on startup with messages like “Verifying license…” then “AutoCAD has stopped responding” when launching AutoCAD, it could be caused by: The July 2014 Windows Security […]

The Longbow Previewer Product Help

Windows Shell Extension for previewing, processing and printing AutoCAD file types within MS Office Outlook and/or Windows Explorer Preview Panes Works with AutoCAD 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023  Getting Started| Overview of Functionality |Install/Uninstall|Additional Information|Contact| Support Information |Version History Getting Started The Longbow Previewer allows you to quickly preview, process and print AutoCAD […]

The Longbow Converter Product Help

Getting your legacy AutoCAD running on new versions of Windows is a 3 step process… Step 1 – First you convert the AutoCAD setup files using the Converter App Step 2 – Next you install AutoCAD as normal, using the Converter App to launch Step 3 – Once AutoCAD is installed, you need to convert […]