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AutoCAD 21.0 Crack+ Free

Originally designed to assist in the assembly of car parts, AutoCAD became an indispensable tool for mechanical and electrical design for all types of industries, as well as civil engineers, architects and surveyors. In the mid-1990s, AutoCAD’s capability expanded to include 2D and 3D surface generation and editing. It also features a wide range of functions for graphics, animation and simulation. AutoCAD is currently available as AutoCAD LT for the desktop, AutoCAD WS for the Web, AutoCAD mobile and AutoCAD mobile web.



AutoCAD history. Image credit: Autodesk

AutoCAD history

AutoCAD is a 3D Computer-Aided Design (CAD) and drafting software application developed by Autodesk.

History of AutoCAD

Autodesk developed and marketed AutoCAD from 1982 as a desktop app running on microcomputers with internal graphics controllers. The first release, AutoCAD 1.0, was first introduced on December 21, 1982, and was available on a Laser 128 minicomputer and three computers in the IBM PC family.

The release of AutoCAD 1.1 added support for IBM-compatible PC’s, and AutoCAD 1.2, 1.3, 1.4 and 1.5 were released as standalone for minicomputer systems. In the mid-1980s, the computer graphics industry was highly competitive with other CAD companies, such as SimSurf, Unigraphics, VectorWorks, Agfa and Xerox, with each of these companies having their own CAD program. AutoCAD had historically been the best of the bunch, with the most comprehensive features, but as the industry consolidated and began producing a shared graphics standard, a single CAD package that supported both 2D drafting and 3D modelling came into vogue.

This change saw Autodesk acquire the CAD software company MicroStation from UK-based Incentive Systems in 1989.

In the early 1990s, Autodesk began looking at the idea of offering CAD applications via the Internet, as was popular at the time with other applications like Lotus Notes, Netscape and Mosaic. They created the first version of the AutoCAD Web Browser in 1992. The Internet version of AutoCAD ran on DOS, Macintosh and Windows systems, and was developed for users with no previous AutoCAD experience.

As of AutoCAD

AutoCAD 21.0 Crack + Free Registration Code [Mac/Win]

Programming languages

AutoCAD Full Crack is written in C++ and AutoLISP. AutoCAD Crack 2017 and newer have rewritten their entire drawing engine in Visual LISP. AutoCAD is a component of the Autodesk Design Suite product. It is part of the Autodesk Design Suite Application Programming Interface, or APIs. Using this API, the user can create extensions to AutoCAD. These include plugins, scripts, and macros. Some of these APIs are listed here:

AutoLISP, published in 1994, is a dynamic programming language for use with AutoCAD. It was originally created by Microsoft, and today Autodesk maintains it. AutoLISP supports the drawing of parametric curves and surfaces and has many functions to manipulate and automate the input of drawing data. It is easy to use and can be used to create simple utilities or more complicated drawing applications. The AutoLISP language allows developers to design user interfaces, extend AutoCAD capabilities, create custom graphic objects, and conduct data-driven programming using AutoLISP scripting. AutoLISP is not required to use the rest of the Autodesk design suite.
Visual LISP, published in 1994, is a scripting language that is designed to allow users to develop applications quickly and easily. Visual LISP allows users to build custom objects, run macros, and create scripting scripts that can be run directly in AutoCAD without any other software. In addition to these three functions, Visual LISP also provides a choice of other common programming tasks.
VBA, published in 1996, is a proprietary programming language used in Microsoft Windows software to extend the functionality of MS Office programs. It is based on BASIC and runs in Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Project, Microsoft Project Professional and Microsoft Office. AutoCAD has the ability to interface with Microsoft Office VBA and AutoLISP. VBA also has the ability to import and export 3D drawings. VBA is a graphical programming language that is similar to AutoLISP and uses very similar commands. Its main difference is that VBA is much more limited than AutoLISP and is not designed for writing applications. VBA is only available to users of Microsoft Office and is only able to create Word documents and Excel spreadsheets. Its usage is limited to creating spreadsheets and other spreadsheet related functions. VBA can only run within the boundaries of Excel. There is no way to run VBA within Microsoft Project

AutoCAD 21.0 Crack [Updated]

Enable Protected Mode if it is disabled (in the autocad startup screen)

Things You Must do when you want to use the Keygen.

Create a registry key (registry editor) for Autodesk Autocad 2013.

Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Autodesk\AutoCAD\13.0\Tools\KeyGen and create a new value as “Version”.

and create a new value as “Version”. Give it a string value as your product version. For ex. I’m using Autodesk Autocad 2014, so my registry key look like:

“HKEY_LOCAL_MACHINE\SOFTWARE\Autodesk\AutoCAD\13.0\Tools\KeyGen” “Version” “Product Name”

You may also see the following in your registry, if you want to change the product name.

So I set it as [Product Name] for now.

In Autodesk 2013 or earlier, the tool name is Keygen. You may see it on your toolbars, if you set the tool name in the registry.

Delete the AutoCAD license key.

If you want to change the product name to something else, you need to delete the old registry and create a new registry.

Delete the following keys (registry editor) in HKEY_LOCAL_MACHINE\SOFTWARE\Autodesk\AutoCAD\13.0\

C:\Program Files (x86)\AutoCAD 2013\Tools\AutoCAD.lic

C:\Program Files (x86)\AutoCAD 2013\Tools\KeyGen\AutoCAD.lic

Create the new registry

Edit the registry as above.

Reinstall your Autocad program.

Start AutoCAD, the Keygen will pop up.

Click continue.

That’s all. You can now use Autocad with your product name.

To change the Product name for the software, just create a new value called Product Name as the name you want.

Open the registry editor, navigate to


and create a new value called Product Name.


What’s New in the AutoCAD?

Support for concurrent access to parts of your drawing. Drawings can now be shared with multiple people on the same system, and updated without needing to ask for each person’s approval. (video: 1:45 min.)

Support for importing and editing parts of drawings that have been shared. You can receive feedback on elements that have already been imported into your drawing by other users on your team.

New tools for drawing lines and adding text to elements. The Line tool now includes callout tools, which help you add more detail to your line. The Line Text tool now lets you insert text, or you can add text to any existing object. (video: 1:35 min.)

New tools for creating and editing axis, texts, markers, and dimensions. Draw axis, text, and marker elements with the Dimension tool, and edit them with the Text tool. (video: 2:25 min.)

Measurement tools for angles and more. New tools make it easier to work with angles. The Angle tool helps you measure and adjust angles. And you can measure between two points with a new Distance tool. (video: 1:44 min.)

Other enhancements:

Display Scaling makes it easy to choose a resolution that suits your system. You can also create a new display scale, choose your preference from a list of different available resolutions, and assign it to your work.

The Back Color, Reverse Color, and Transparency tools have new features to make it easier to create line drawings.

The Block tool is now available in the Outliner as well as the Dynamic Blocks palette. It provides more flexibility for creating blocks.

The command for changing the brush size for the Line and Circle brushes has been moved from the Brush palette to the Modify menu, giving you greater control over brush size.

The Autocad.dic, your language file, is now included in all AutoCAD installation files.


AutoCAD LT for Linux now includes the option to purchase a subscription to the Autodesk Subscription Program. You can now purchase three, six, or 12 months of Autodesk Subscription through a purchase order or online invoice. After you have purchased a subscription, Autodesk will mail you a license key to activate your new subscription. Once you have installed and activated the software, you will be able to enjoy Autodesk Subscription benefits immediately.

System Requirements:

– Minimum specifications:
– OS: Windows XP/Windows 7/Mac OS X
– Processor: Intel® Core 2 Duo, Intel® Core Duo, Intel® Celeron
– Memory: 1 GB
– DirectX: Version 9.0
– Additional Notes: The use of an earlier version of the DirectX or Nvidia Driver is recommended, and no other hardware settings should be modified
Additional recommended specifications:
– Processor: Intel® Core 2 Duo, Intel


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