Warm up with a 10-minute tread without using your hands (as much as possible). No grabbing the edge of the pool, but when you start to sink, use your arms to keep you on the surface. But once you have ...

Press the Shift key five times in succession -- Turns on Sticky keys, which change how shortcuts work so you don't have to press and hold multiple keys to trigger them. For example, under Sticky Keys, ...