Character wheel
Pick which character comes to the front.
You hold a shortcut, the wheel opens in the middle of the screen, you aim at a head and you let go.
The class head is enough
You recognise the portrait and the nickname, and you go straight to it.No key to remember
Past four characters, one key per window becomes impossible to remember.One colour per character
Two characters of the same class and sex stay recognisable.A gesture can be cancelled
Let go at the centre of the wheel, and no window moves.
See also
Multifus installs on Mac and on Windows
One file per system, three steps to install, and you play multi-account the same evening.