How do I open two files side-by-side in Sublime Text 3 Editor?

Question

I want to open two files (html, js) files for better productivity, and I can't use any third party packages at my office.

Is there any way to open two files in side-by-side in Sublime Text 3?

Answer 1

view > layout > Column 2

Answer 2

To open two files side by side in Sublime Text 3 do Ctrl+K and then do Ctrl+↑. To move back to one windowed mode just do Ctrl+K and then do Ctrl+↓.

Here is the Documentation for that feature.