You can easily check if you have the latest version by looking at the VERSION command that is inserted in the first line of every recorded macro. It consists of a 3-digit version number plus a 4-digit build number:
The latest version is VERSION=6221002: Click here to download the latest version

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10/02/2008 - Version 6.22 released (Download)
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* Added: -var_ prefix no longer required for iimSet
* Added: Support for Japanese character display (Japanese Windows version required)
* Added: Support for Internet Explorer 8 Beta
* Improved: Negative relative positioning (e. g. TAG POS=R-2 ....)
* Improved: Taking screenshots of pages with frames
* Fixed: Recording issue with names that contained []
* Fixed: Several smaller issues

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07/07/2008 - Version 6.20 released (Download from archive)
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* Added: Support for XML (XSL) tags inside a web page.
* Added: Support for negative relative positioning (e. g. TAG POS=R-2 ....)
* Added: Extraction Wizard supports positive relative positioning
* Improved: TAG command parser engine (html<=>tag test page)
* Added: POS attribute is automatically calculated
* Added: Instant warning during recording if a TAG command will not work
* Fixed: ONCERTIFICATEDIALOG issue
* Fixed: Crash when { was used as part of the DS content attribute.

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05/05/2008 - Version 6.14 released (Download from archive)
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* Added: Dialog manager ONDIALOG and ONERRORDIALOG commands display extracted text
* Added: !TAGINDEX built-in variable to get the index number of an element
* Improved: Removed POS<20 restriction in Extraction Wizard
* Improved: Faster DirectScreen recording speed
* Fixed: SET !EXTRACTDIALOG YES issue
* Fixed: Some issues with FX/IE TAG command compatibility (test page)

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03/05/2008 - Version 6.12 released (Download from archive)
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* Added: Full Silverlight Support, including Drag & Drop and Mouse-Over
* Added: Demo-Silverlight Macro
* Added:"Add Comment" button on Record Tab (Shortcut: F8 function key)
* Improved: DirectScreen Technology, Flash Support
* Improved: PROMPT command (added automatic dialog resizing)
* Fixed: Save PDF issue

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01/22/2008 - Version 6.11 released (Download from archive)
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* New: Redesigned easy-to-use file upload command (see Demo-Upload)
* New: Native 64-bit version of the Scripting Interface
* Added: WebPageDialog Click command, e. g. {click 11 22}
* Added: DirectScreen, Screenshot and Image Recognition support for Applet Windows
* Added: Single-step debugging with SET !SINGLESTEP YES
* Added: Option to cancel Print dialogs
* Added: Double-click to start macros
* Added: {{!TAGX}} and {{!TAGY}} support for framed pages
* Added: HTML extraction for form elements (TAG ... EXTRACT=HTM)
* Improved: Scripting Interface reliability and error reporting
* Fixed: Vista support for iimInit ("-ie") to control Internet Explorer
* Fixed: Several smaller issues

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11/26/2007 - Version 6.02 released (Download from archive)
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* Improved: Syntax check for macros
* Improved: Image Extraction (Save Item)
* Added: Extract all settings from a select box (EXTRACT=TXTALL)
* Fixed: iimGetLastExtract ()
* Fixed: iimRunner could not be used from ASP/ASP.NET/PHP
* Fixed: Several smaller issues

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10/10/2007 - Version 6.01 released (Download from archive)
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* Added: Image Recognition Plugin
* Improved: DirectScreen Technology (IE Add-On support added)
* Improved: SIZE command only added for DirectScreen commands
* Improved: New Player License Packages available
* Fixed: Several smaller issues

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8/17/2007 - Version 6.00 released (Download from archive)
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* Improved: DirectScreen Technology (CLICK support added)
* Improved: Extraction Wizard
* Fixed: iimRunner updated
* Added: Upgrade Information for Version 5 users and correspoding forum post.

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8/14/2007 - Version 6.00 Beta 4 released
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* Improved: DirectScreen Technology
* Improved: Smaller changes to the Scripting Interface
* Added: Two new AJAX demo macros
* Fixed: Many reported issues have been fixed

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7/10/2007 - Version 6.00 Beta 3 released
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* Added: Internet Explorer Add-On support for the SIZE command
* Added: New C# Samples
* Fixed: Several reported issues fixed

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5/25/2007 - Version 6.00 Beta 2 released
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* Added: DirectScreen Technology (the successor of WINCLICK)
* Added: iimInit ("-fx") to remote control Firefox
* Added: Macros run without changes in the iMacros Browser, Internet Explorer and Firefox
* Added: Full Unicode support in Scripting Interface and iMacros for Firefox
* Improved: EXTRACT command uses same syntax as TAG command
* Added: Full Microsoft Vista support
* Added: New Wiki-style documentation

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1/30/2007 - Version 5.22 released (Download V5.22 from archive)
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* Fixed: IE7 image extraction issue
* Fixed: Several smaller issues

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10/28/2006 - Version 5.21 released
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* Added: Full Internet Explorer 7 compatibility
* Fixed: Several smaller issues

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8/14/2006 - Version 5.20 released (Download V5.20 from archive)
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* Added: New "Run As" feature with easy-to-use iimRunner module
* Added: Support for ASP/ASP.NET/PHP pages
* Added: Relative TAG positioning (same feature as in Relative Extraction)
* Added: Option to take screenshots from any open browser tab
* Added: PAUSE command
* Added: #NOVAR# escape sequence
* Added: Extraction wizard framed pages handling
* Added: SET !EXTRACT NULL option to clear the value of the {{!EXTRACT}} variable
* Added: For increased security, all iMacros files are signed using a 1024-bit Digital ID key.
* Improved: Revised user manual (Online or PDF download)
* Fixed: Issue when using iimInit ("-ie") to control Internet Explorer with the iMacros PlugIn
* Fixed: Several smaller issues

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3/15/2006 - Version 5.10 released (Download V5.10 from archive)
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* Added: Command line switch to change user agent ("-useragent")
* Added: Image Filter command (Suggest other filters)
* Added: Support for Microsoft latest security updates
* Added: Set-User-Agent.vbs demo script and page
* Added: Demo-Filter.iim macro
* Added: Demo-Keyword-Check macro

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3/07/2006 - Version 5.06 released
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* Fixed: A problem with the IE Plugin was fixed

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2/27/2006 - Version 5.05 released
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* Modified: Software renamed to iMacros
* Added: PROXY command to define a proxy server inside a macro
* Added: Added iMacros process ID (PID) to logfile.

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1/30/2006 - Version 5.03 released
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* Added: SetRunAs wizard (setrunas.exe) to help with correct iimInit RunAs setup
* Improved: Image Recognition Plugin load speed (Plugin loading was delayed on some systems)
* Fixed: iimInit "RunAs" issue on Win 2003
* Fixed: Several smaller issues

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1/15/2006 - Version 5.02 released
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* Added: Macro level timeout: SET !MACROTIMEOUT <timeout>
* Improved: VB.NET and C# examples
* Improved: Removed the 10000 char limit for the iimPlay ("CODE:...") command.
* Fixed: Scripting Interface threading issue
* Fixed: Corrected some batch file error return codes
* Fixed: Several smaller issues

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11/15/2005 - Version 5.01 released
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* Fixed: Some minor changes to V5.0
* Updated: Google Search & Extraction example

=============================================================
11/11/2005 - Version 5.00 released
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* Added: New, faster and thread-safe Scripting Interface
* Added: Send macro code via iimPlay ("CODE:URL GOTO...")
* Added: Remote-control of Internet Explorer Plugin with iimInit ("-ie")
* Added: All Scripting Interface commands contain optional timeout value
* Added: C# example
* Added: VB.NET example
* Added: VC example
* Improved: Extraction wizard
* Improved: No temporary files during macro replay
* Information: Upgrading scripts for use with V5

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7/22/2005 - Version 4.31 released (Download V4.31)
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* Fixed: Ini-file write error when running several instances of the IIM browser
* Improved: Updated example batch files
* Added: Complete list of error codes

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6/30/2005 - Version 4.30 released
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* Added: Image Recognition Technology (Purchase Image Recognition Plugin with a 30% introductory discount)
* Added: ADD command
* Added: Relative Extraction

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5/10/2005 - Version 4.25 released (Download)
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* Fixed: Download dialog detection on Windows 2003 Server with Service Pack 1 (SP1)

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4/25/2005 - Version 4.24 released
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* Added: iimGetLastError and iimGetLastExtract commands
* Fixed: Several smaller issues

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3/23/2005 - Version 4.23 released
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* Added: Option to transfer web response time measurements results directly to your script or program (!STOPWATCHTIME internal variable).

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3/17/2005 - Version 4.22 released
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* Fixed: Compatibility issue with SAVEITEM and the new Acrobat Reader Version 7
* Fixed: iimSet issue

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3/04/2005 - Version 4.21 released
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* New: Take Screenshot of web page (SAVEAS TYPE=BMP)
* New: Start ".iim" imacro files with double-click
* New: Added more commands to menu.
* New: EVENT:SAVEPICTUREAS

* Fixed: Command line issue with spaces in path
* Fixed: Some Web Page Dialogs were detected as Error Dialogs
* Fixed: Removed double quotation marks in files saved with SAVEAS TYPE=EXTRACT command

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12/03/2004 - Version 4.20 released
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* New: SAVEITEM (Download Plug-In based Content like PDF, XLS, DOC,..)
* New: Demo-SavePDF macro
* New. EXTRACT TYPE=HTM (Split <br> line breaks)
* New: SET !EXTRACTADD <value>
* New {{!URLCURRENT}} - Built-in variable with current URL
* New: EVENT:SAVETARGETAS (Download PDF, AVI, MP3, MPEG,..)

* Changed: ONDOWNLOADDIALOG replaces old files (overwrite)
* Changed: SAVE TYPE=EXTRACT no longer adds date & time to output file by default, use SET !EXTRACTADD {{!NOW:yyyymmdd}} instead
* Changed: Updated sample macros
* Fixed: ONCERTIFICATEDIALOG issue

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8/11/2004 - Version 4.16 released
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* New: Support for new download dialog in Windows XP SP2
* New: Support for new save dialog in Windows XP SP2

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7/22/2004 - Version 4.15 released
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* Improved: Support for WINCLICK in tray mode
* New: "TITLE" extraction
* New: "ALT" extraction (extract image text descriptions)
* Fixed: EXTRACTION wizard issue
* Fixed: Some minor issues

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7/14/2004 - Version 4.14 released
=============================================================

* Improved: Flash Applet recording
* New: Excel VBA example
* Fixed: Some minor issues

=============================================================
6/14/2004 - Version 4.13 released
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* New: WINCLICK EVENT:MOUSEOVER support
* New: Demo-JavaScriptMenu
* Fixed: Some minor issues

=============================================================
6/04/2004 - Version 4.12 released
=============================================================

Release information: Re-recording of encrypted passwords required

* New: 256-Bit AES Password Encryption
* Fixed: Scripting Interface issue
* Fixed: ONCERTIFICATEDIALOG issue
* Fixed: FOLDER=c:\yourfolder parameter

=============================================================
5/17/2004 - Version 4.11 released
=============================================================

* New: New password manager options (SET !ENCRYPTION NO/STOREDKEY/TMPKEY)
* New: Demo-ArchiveThis example macro
* New: TAB OPEN command
* Fixed: Some minor issues

=============================================================
5/11/2004 - Version 4.1 released
=============================================================

Important release information: Upgrading from 4.0 to 4.1

* New: New fast dialog manager with tons of new features
* New: Unlimited number of instances when dialog manager is used
* New: Login dialog support (ONLOGIN)
* New: Security dialogs support (ONSECURITYDIALOG)
* New: Certificate dialogs support (ONCERTIFICATEDIALOG)
* New: HTML dialogs ("showmodaldialog") supported (ONWEBPAGEDIALOG)
* New: All web page error message boxes handled
* New: Absolute paths in command line: -macro c:\test\yourmacro.iim
* New: OFFline mode and offline examples
* New: SAVEAS support for MHT, HTM and TXT formats
* Improved: Error dialog support (ONERRORDIALOG)
* Improved: File downloading (ONDOWNLOAD)

=============================================================
4/08/2004 - Version 4.02 released
=============================================================

* Fixed: Several smaller IE plug-in issues

=============================================================
4/5/2004 - Version 4.01 released
=============================================================

* New: Tabbed Browsing Interface - Supports unlimited number of HTML popups
* New: WINCLICK tray mode
* New: WINCLICK automatic text recording
* New: WINCLICK Shockwave FLASH support
* New: WINCLICK ActiveX Controls support
* New: EXTRACT link extraction (TYPE=HREF)
* New: Support for Active Directory installation
* New: New command TAB T=<x>
* New: New command TAB CLOSE
* New: New command TAB CLOSEALLOTHER
* New: Supports running as Windows service
* New: Assign SET! VAR1 {{!EXTRACT}}
* New: Example Macro: Demo_Tabs
* New: Example Macro: Demo_Flash
* New: Example Macro: Demo_ExtractAndFill
* Removed: 10 columns limit for CSV files
* Improved: Extraction Wizard
* Improved: Java Script handling
* Improved: Limited user management
* Improved: 256-bit Blowfish encryption
* Improved: Prompt for password if not stored
* Improved: User Manual (TOC)