Windows Xp Qcow2: I---

20GB is generally plenty for Windows XP, but you can increase this to 40GB if you plan to install many games or apps. 2. Start the Installation

From VMware/VirtualBox:

First, you must allocate a virtual hard drive. Using qemu-img is the standard method: : qemu-img create -f qcow2 winxp.qcow2 20G i--- Windows Xp Qcow2

And then, the desktop appears.