[Solved] Before installing Word 2010, do I have to un-install Word 2002?

Before installing Word 2010, do I have to un-install Word 2002?

I have bought a new Word 2010 disc to replace the existing Word 2002 program on my Windows XP. Does Word 2010 over-write the old Word 2002 program, and does it save all my existing settings, and then does it discard the un-needed (obsolete) elements from
the old program? Or do I have to un-install Word 2002 first before installing Word 2010?

Solutions to the Problem Before installing Word 2010, do I have to un-install Word 2002?

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No you do not HAVE to uninstall 2002.
All new 2010 licenes are Full (vs old style Upgrade) so now you can install both side by side as Doug pointed out.
If you do a default installation of 2010 it will automatically uninstall 2002 and transfer many, but
not all, settings.
Word 2010 comes with very different default styles and fonts.
If you want to continue using your old ones, after finishing the 2010 install you can rename the NORMAL.DOTM in your profile and copy in a 2002 NORMAL.DOT.
Next time you startt Word, it will import
styles and macros from the old NORMAL when generating the new NORMAL.
 
Unless you are completely comfortable with the 2010 ribbon, I'd recommend keeping 2002 for at least a while.
Here are a couple of articles that I've used to make the installations "play well together".  The one key point is, you can only have one copy of
Outlook installed.
 
Working with Multiple Versions of Office (Dual Install)
http://pubs.logicalexpressions.com/pub0009/LPMArticle.asp?ID=762
Personal Supplemental instructions
MS tends to put everything in separate folders and with long wordy names. 
I decided to consolidate things somewhat.  So I navigated to the “Start” menu and edited folder and shortcut names to be more concise. 
I created a single “Microsoft Office” folder and migrated all of the shortcuts into it. 
I created shortcuts to the 3 “2003 to 2007 Interactive Command References”.
Then I started renaming the shortcuts. 
In my case I had Office 2003 and Office 2007, so I renamed them as follows:
 “2003 Excel”
“2003 PowerPoint”
“2003 Word”
“2007 Excel”
“2007 Excel 2003 to 2007 Cmd Ref”
“2007 PowerPoint”
“2007 PowerPoint 2003 to 2007 Cmd Ref”
“2007 Word”
“2007 Word 2003 to 2007 Cmd Ref”
etc…
Or
Word 2003
Word 2007
Word 2010
Word 2003 to 2010 Mapping
Excel 2003
Excel 2007
Excel 2010
Excel 2003 to 2010 Mapping
etc…
As well, I decided to keep both sets of ``Office Tools`, so I kept one folder and renamed the shortcuts using the same pattern, ie starting with the year.
I also do custom installations, specifying unique installation folders to further separate the installations.
It isn't completely successful, some common folders are still used,  but it seems to help.
Microsoft's recommendations are incomplete regarding Word - see http://www.gmayor.com/Toolbars_in_word_2007.htm for further recommendations
with regard to shared resources that are better not shared.
Office apps also work better also if their startup folders are not shared.
In the case of Excel I  would relocate the contents of the (Excel 2003) XLSTART folder to a new sub folder of the existing XLSTART -The start-up folder location is stored in the registry at
HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Common\Xlstart
Set the value to match the sub new folder name e.g.
Office11XLSTART.
That should sort out Excel 2003.
Create a similar sub folder and registry entries for Office 2010 i.e.Office14XLSTART and at HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\Xlstart
The same idea applies to Word’s startup and template folders.
Upgrade Office 2003 to 2010 on XP in
Photo or Run them Side by Side 
   http://www.howtogeek.com/howto/17342/upgrade-office-2003-to-2010-on-xp-or-run-them-side-by-side/#comment-107651
                           
Information about how to use Office 2010 suites and programs on a computer that is running another version of Office
http://support.microsoft.com/kb/2121447
For a Microsoft Office XP version of this article, see 290576  (http://support.microsoft.com/kb/290576/).

System Restore - Fix All Errors including Before installing Word 2010, do I have to un-install Word 2002?

• Click on the Start button on the Taskbar.
• Type "System Restore" (without quotes) in the Search box and hit Enter or,
• Click on System Restore (when you see System Restore pop up  in the list of search results).
• Make sure the "Recommended restore" radio button is checked on the restore utility window.
• Click on Next and follow the instructions given.

Note: There is the option on the restore utility to select "Choose a different restore point". Unless you have a specific reason to select a different date and time than what Windows recommends, just select the recommended option stated in the steps above. If you choose to select another one, follow these steps:

Click on that desired date and time, and Windows 7 will perform a scan for any affected programs in that restore point.

Once completed, click Next and follow the instructions given.

Once you have selected the restore point, your system will start the restoring process, after which you will have to restart the system.

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