How to adjust the direction key at the bottom of honor?

Honor, opening the virtual button at the bottom needs to be operated in the system settings.

Honor, opening the virtual button at the bottom needs to be operated in the system settings. After entering the system setting menu, drop down and click the option to enter the system and update, and then click the system navigation mode; Select the three-button navigation option on the screen, and then click More Settings to select a navigation key combination. Click the Settings button on the desktop of Glory V40 mobile phone to enter the system settings menu. Drop-down menu and click Enter System and Update Options, and then click System Navigation Mode. Select the three-button navigation option on the screen, and then click More Settings to select a navigation key combination. After the three-button virtual navigation is turned on, a three-button navigation bar will appear at the bottom of the mobile phone screen. You can click more settings to set the layout of the navigation bar according to your own usage habits. Return key: click to return to the superior interface or exit the application. In the text input interface, click to close the on-screen keyboard.