Finding Information 13• Service Tag and Express Service Code• Microsoft Windows License LabelService Tag and Microsoft® Windows®LicenseNOTE: Your computer’s Service Tag andMicrosoft® Windows® License labels arelocated on your computer.Your computer’s Service Tag containsboth a Service Tag number and an ExpressService Code.• Use the Service Tag to identify yourcomputer when you usesupport.dell.com or contact support.• Enter the Express Service Code to directyour call when contacting support.• Use the product key on the LicenseLabel if you need to reinstall youroperating system.NOTE: As an increased security measure,the newly designed Microsoft Windowslicense label incorporates a missing portionor "hole" to discourage removal of the label.What Are You Looking For? Find It Here