Press shift key to switch input method to Chinese. Only English-> Chinese, but Chinese-> English cannot be switched back. All input boxes in edge are like this. No problem with other programs, use the pinyin input method provided by win10.
'Chinese' is the only language on the computer. And only one input method--'Microsoft Pinyin'. 'Microsoft Pinyin' has two modes, one for Chinese and the other for English. You can use 'Shift' to switch between the two modes. 'Shift' is out of order.