cannot install flash player(windows10, explorer 11)

"now I operate computer including windows10 and explorer 11."

by my mistake, i downloaded "uninstall adobe flash player.exe" and executed.

now, when i am web-surfing,

there is message to "install adobe flash player".

and some video is not playing.

i click to install adobe flash player...

there is message : explorer 11 include adobe flash player, and no need to install adobe flash player.

how can i solve this problem?