XPS 15-1579sLV is a specific model for XPS 15 which comes with Intel Core i5 3210M 2.5 GHzNVIDIA GeForce GT 630M with 1GBIntel Centrino Advanced-N 6235 with Bluetooth 4.0Backlit Keyboard65WHr battery; 9-Cell Li-Polymer (built-in). I hope this information would be useful for you.

Describes how you can remove Office 2003 or 2007 Office service packs from your computer and revert to your original Office 2003 or 2007 Office installation.

This whole process is not doable, the file (pem710hd-070000C.exe) downlaoded from Dell's driver and download location is 1.6M and a floppy is 1.