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XP Home (Retail) Eula:
1.1 Installation and use. You may install, use, access, display and run one copy of the Software on a single computer, such as a workstation, terminal or other device ("Workstation Computer"). The Software may not be used by more than one processor at any one time on any single Workstation Computer.
1.5 Storage/Network Use. You may also store or install a copy of the Software on a storage device, such as a network server, used only to install or run the Software on your other Workstation Computers over an internal network; however, you must acquire and dedicate an additional license for each separate Workstation Computer on or from which the Software is installed, used, accessed, displayed or run.
13. SOFTWARE TRANSFER. You may move the Software to a different Workstation Computer. After the transfer, you must completely remove the Software from the former Workstation Computer.
XP Pro (Retail) Eula:
1.1 Installation and use. You may install, use, access, display and run one copy of the Software on a single computer, such as a workstation, terminal or other device ("Workstation Computer"). The Software may not be used by more than two (2) processors at any one time on any single Workstation Computer.
1.5 Storage/Network Use. You may also store or install a copy of the Software on a storage device, such as a network server, used only to install or run the Software on your other Workstation Computers over an internal network; however, you must acquire and dedicate an additional license for each separate Workstation Computer on or from which the Software is installed, used, accessed, displayed or run.
14. SOFTWARE TRANSFER. You may move the Software to a different Workstation Computer. After the transfer, you must completely remove the Software from the former Workstation Computer.