Use the Help dropdown menu to open Help text, the User Guide. Click the Solver Platform tab – you should see a “Welcome” dialog with various links.
You should see new tabs on the Ribbon for Analytic Solver Platform or Risk Solver Platform, and XLMiner. Some Excel add-ins, such as Solver and the Analysis ToolPak, may be available after you install Excel or Microsoft Office. Excel add-ins These typically include Excel add-in (.xlam), Excel 97-2003 add-in (.xla), or DLL add-in (.xll) files or they are automation add-ins.