Download related software:

• JumpKeys 1.21 — Hot keys for selecting (switching) windows, minimizing/maximizing, making windows Always On Top. Tag 9 windows, on full/partial title, selected using the numbers on the main keyboard, either alone or with the Alt key (Alt+1, Alt+2...), Ctrl key, etc.
• SemTop! 3.0 — SemTop! is a nifty tool that allows to keep selected windows always on top of the desktop and doesn't allow other windows to overlap it.