Install Excel Solver
Solver may not be installed by default in your user area. To install it follow the instructions below.
File < Options < Add-ins
Click "Go" at the bottom of the screen.
Tick the solver function and click OK.
Solver then appears in the Data tab at the top, on the far right.
[Modified 27-Oct-2019 by John S.O. Evans. Pages checked for Google Chrome.]