In order for buttons, screens and dialog boxes to display correctly, the font size needs to be set to 100% or 96 dpi.
Windows 11
Click Start > Settings > Display > Scale and Layout to make the needed adjustments based on the individual device's needs.

Windows Vista
Go to Start > Control Panel > Appearance and Personalization > Personalization > Adjust Font Size (DPI). Choose Default Scale (96 dpi)
Windows XP
Right-click the Desktop > Properties > Settings tab > Advanced > General tab > DPI Setting. Choose Normal Size (96 dpi)