Now note the value next to the label Available Memory. It should be the same value that you noted above. Look on the right hand side of the window and notice the value next to Memory (RAM). If you are like most people, the value should be 512MB. Click on the Setting labeled Memory and note how much memory is currently allocated to your XP Mode Virtual PC. You should now be looking at the Windows XP Mode – Windows Virtual PC Settings window. In the Virtual Machines window, right click on your XP Mode Virtual PC and select Settings from the menu.
Increasing Memory to a Virtual PC for XP ModeClick on Start>All Programs>Windows Virtual PC>Windows Virtual PC. Generally, you should allocate about 1GB of memory to XP Mode to avoid slowdowns and error messages associated with running out of memory while you run your older applications. Of course, this only occurs when you are running the Virtual PC. Keep in mind however, that the more memory you allocate to XP Mode, the less your real computer has to use. However, if you have free RAM in your computer, you can allocate more memory to Windows Virtual PC during XP Mode to make applications run faster and more efficiently. When you created the virtual computer, 512MB of memory were allocated to XP Mode by default. The Virtual PC in XP Mode uses some of your computer’s physical memory to run. Just like a real computer, Virtual PC needs to have access to a processor, a video card, and memory to run the operating system. XP Mode Memory in a Virtual PCWhen you run XP Mode in Windows 7 Professional, you are really running the Windows Virtual PC application that loads a fully licensed version of Windows XP.
Learn how to increase the memory to an XP Mode Virtual PC in Windows 7 However, some applications in XP Mode need more memory to run than others. It comes with a fully licensed version of Windows XP offering you the ultimate in backward application compatibility.
If you opted for the Professional version of Windows 7, you have instant access to XP Mode using the Windows Virtual PC application.