Step 1: Click on this URL ->https://help.hostanalytics.com/Online_Help_Modeling/SpotlightXL_Install/Install.htm#Download
Step 2: Find the section shown below and choose the SpotlightXL_ClickOnce.exe option from the list
Step 3: Save the file to your desktop or someplace you will be able to find it
Step 4: Once downloaded, find the file and double-click to install
Step 5: Once you get a installation wizard, Click Install
Step 6: Once installation is finished, Click Close
Step 7: If you have excel sheets opened, please close excel and open it from scratch. The spotlight will appear on the top right.