Hi isaacLunn,
Thanks for participating in the Microsoft Community. I'm Craig, an Independent Advisor and I'll do my best to help today.
You can read this
1. Right click on the Start Menu and select Control Panel.
2. Here locate and select Display, under the heading Change only the text size, select Message Boxes from the drop down list.
3. Tap on the Size drop-down menu and select the desired sizes as you needed for that particular item.
4. Alternatively, you have a tiny checkbox to make the text bold too. Just select the Bold check box.
5. Finally, click on Apply button to Change Icons and Text Size on Windows 10
https://answers.microsoft.com/en-us/windows/for...
Please let me know if you need further assistance.
Best Regards,
Craig S.