Enable the Developer tab in Excel
Go to File
Select Options
Click Customize Ribbon
Check the Developer box
Click OK
Open the Developer tab
Click Insert
Under Form Controls, select the Check Box option
Click on the worksheet where you want the checkbox
Resize or move the checkbox if needed
Edit the checkbox label by right-clicking and selecting Edit Text
To link the checkbox to a cell, right-click it and select Format Control
Go to the Control tab
Set the Cell link field
Click OK