To show instructions to users in your Excel files, you can add comments or text boxes with notes.
Another option is to put the notes in an Excel Userform, and add a Help button on each worksheet. The button can open the Help form to a specific page, and show the relevant Help information.
Download the Sample File
You can download the sample file from the Contextures website: http://www.contextures.com/excelfiles.html
In the UserForms section, look for UF0014 – MultiPage Excel UserForm
Watch the Video
To see the steps for creating the UserForm and Help buttons, you can watch this Excel video tutorial.
Or watch the video on YouTube: Show Specific Info in Excel UserForm