On Windows: press `Shift` + “
On Mac: press `Shift` + “
On Linux: press `Shift` + “
On many keyboards: the vertical line `|` is on the same key as backslash “
On some keyboards: use `AltGr` + “
On some keyboards: use `Ctrl` + `Alt` + “
On mobile: long-press the backslash key or symbols key to find `|`