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Windows 7: Testing Legacy Apps for Compatibility with Windows 7

20 Oct 2009   #1

Windows 7 Home Premium 64 bit
 
 
Testing Legacy Apps for Compatibility with Windows 7

Having spent a while checking which of my existing applications will run under Windows 7 I have now learned enough to realise that my conclusions may have been affected by XP Mode which I believe exists only in Windows 7 Professional & Ultimate.

My current copy of Windows 7 is the Windows 7 Release Candidate which I believe is Windows 7 Ultimate, but the PC I hope to buy after Christmas will most likely be Windows 7 Home Premium.

Can anyone advise how I inhibit XP mode so I can test compatibility with Home Premium and/or how I can tell whether a legacy applications is running in Windows 7 Ultimate courtesy of XP mode, and therefore may not run under Windows 7 Home Premium?

Thanks in anticipation.

My System SpecsSystem Spec
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20 Oct 2009   #2

Windows 7 x64 (SP1)
 
 

Windows Virtual PC and the mentioned "XP Mode" is available on Home Premium. What you do not get with Home Premium is a licensed copy of Windows XP. You must use/install your own.
My System SpecsSystem Spec
20 Oct 2009   #3

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by johnstd2 View Post
Having spent a while checking which of my existing applications will run under Windows 7 I have now learned enough to realise that my conclusions may have been affected by XP Mode which I believe exists only in Windows 7 Professional & Ultimate.

My current copy of Windows 7 is the Windows 7 Release Candidate which I believe is Windows 7 Ultimate, but the PC I hope to buy after Christmas will most likely be Windows 7 Home Premium.

Can anyone advise how I inhibit XP mode so I can test compatibility with Home Premium and/or how I can tell whether a legacy applications is running in Windows 7 Ultimate courtesy of XP mode, and therefore may not run under Windows 7 Home Premium?

Thanks in anticipation.
Generall speaking, you dont have to disable or inhibit anything to determine whether or not a program is compatible with Windows 7.

XP Mode is only available, as you have said, to Professional and Ultimate user of Windows 7, but I suppose if you have installed Windows Virtual PC you can get it on other editions as well. XP Mode works differently to the usual "Right-Click, Properties, Compatibility" options for resolving compatibility issues. A program will only run in XP Mode if you have installed it into the XP Mode Virtual Computer by starting Windows Virtual PC on the Windows 7 start menu:
Name:  xpmode2.jpg
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The following screenshot shows also that when a program is running in XP Mode, it looks like it is running in XP, and does not share the Windows Aero interface elements:
Testing Legacy Apps for Compatibility with Windows 7-xpmode.jpg

So if you want to check if a program will run on Windows 7 (Any Edition), just install it normally. In many, if not all, cases, if there are compatibility issues, Windows itself will warn you first before allowing the installation. Anything that install drivers (like Alcohol 52, UltraISO, etc), it's usually best to first check the manufactures website for an update, just in case.


My System SpecsSystem Spec
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20 Oct 2009   #4

Windows 7 Home Premium 64 bit
 
 

Thanks guys; I see the error of my ways! I don't have Windows Virtual PC installed, and when I tested my apps I was in the Aero and not in XP interface, so I think I have proved that all the apps which loaded and ran successfuly in Ultimate will be OK in Windows 7 Home Premium.

Thanks again.
My System SpecsSystem Spec
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 Testing Legacy Apps for Compatibility with Windows 7





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