Method 1: use Windows 11 Snap Layouts.
Hover over a window’s maximize button, or press Windows key + Z. If Windows offers a three-column layout for your display, choose the left, center, or right region, then fill the remaining areas with Snap Assist.
This native route is free and requires no additional software. The exact layouts shown vary with display characteristics, so a three-column choice may not appear on every setup.
Method 2: use a Snappy thirds gesture.
With Snappy running, hover the window you want to move and hold your configured trigger. Scroll until the format HUD shows Thirds, move the pointer into the left, center, or right third, inspect the live preview, and release or use your chosen commit mode.
- Hover the target window.
- Arm Snappy with the configured trigger.
- Scroll to Thirds if another format is active.
- Move into the intended third and confirm the preview.
- Commit the placement.
When thirds are most useful.
Three columns work well on ultrawide screens and high-resolution displays where two halves waste horizontal space. A common setup is communication on the left, primary work in the center, and reference material on the right.
If three narrow columns feel cramped, use a two-thirds/one-third arrangement through native layouts or choose halves instead. The best layout is the one that keeps text readable.