How to Share Windows 7 With Windows XP Wireless Laptops
If you want to share files, folders or even entire hard drives stored on your Windows 7 computer with a wireless Windows XP laptop computer, you can do so natively within your operating system. Sharing these files can be completed by altering the properties of the file or directory, which will immediately make them available to not just your Windows XP wireless laptop but all computers that are connected to the same wireless network.
1). Right-click on the file or folder on your Windows 7 laptop that you want to share with your Windows XP laptop.
2). Click "Share With."
3). Click "Specific People."
4). Click "Add." Select the computer name of the Windows XP laptop that you want to share your selected file or folder with.
5). Click the "Share" button to share your content between your Windows 7 laptop and your Windows XP laptop.