How to manage Add-ins

To install the add-in, follow the next steps:

   1.   On the File tab, click Options:

   2.   In the Excel Options dialog box, in the Add-Ins tab, in the Manage list, select Excel Add-Ins, and then click Go...:

   3.   In the Add-Ins dialog box, place a checkmark next to the item named Solver Add-In:

   4.   Click OK.

See also this tip in French: Comment gérer les compléments.