I opened up a file of mine in TexWorks. There were no line numbers. So, I navigated to Edit > Preferences and checked the line numbers box.
Oddly enough, if I open up a new empty document, line numbers are displayed for the new document. However, there are no line numbers in my existing document. I have tried closing TexWorks, restarting it, and reopening my document. However, anytime I open my document instead of creating a new one, line numbers fail to display.
Any thoughts?
I'm running Windows 10 Home Edition
Best Answer
In menu Edit → Preferences → ☑ Lines numbers you set the default behavior for new or unkown documents, but you can change the settings only for the actually edited document in menu Format → Lines numbers (see image below).
This will change the behavior of that file even if you close and open the file again, while it is in the Recent Files List, i.e., with File → Open Recent → Clear Recent files you will lost that individual settings of all your files, so the next time you open the file, you will see the default behavior set in the Preferences window.