Method 1: Transfer video/photos between Huawei and PC via USB cable
Connect device to PC and tap the "Charging this device via USB" notification on your phone, select File Transfer. Then a file transfer window will appear on your pc, so you can transfer photos/videos.
Method 2: MobiKin Assistant for Android
This is 3rd party Android data manager program. After connecting, it will list all files on windows and enables user to transfer files between PC and device through one click.