How to completely remove the win10 comes with input method

Method 1: System function Click the input method button in the lower right corner and click “language preference”.
Enter the language options of the control panel to view the input method language currently in use. Select the input method language you want to delete and click the “Set” button. (If a language contains multiple input methods, it will be merged and displayed. If you want to delete all, you can click the remove button above.)
In the input method, you can view all the input methods enabled in the language. Click to remove.
Method 2: Input Method Function Right-click on the input method panel —— Manage/Repair Input Method —— Input Method Manager, click Open.
Uncheck the input method that does not need to be displayed in the input method manager, click OK. (It is recommended to set the common input method as the default to reduce the trouble caused by switching.)
Return to the input option in the lower right corner to see that the unwanted ones have been hidden. (If you need to re-enable)
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