Having established a proper virtual network for multiple PCs across the Internet, we now have to consider how to backup or to synchronize data.
Users of Windows XP Home must use their installation CD to add the backup tool. You will find it on the disc in the directory \VALUEADD\MSFT\NTBACKUP. Windows XP Professional comes with the backup tool pre-installed.
After starting Windows Backup a wizard guides you through all steps.
The backup process of Windows XP's integrated utility is very much self-explanatory: