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Log into the developer’s official website and download this software. There will appear a pop-up dialog box asking you how you want to connect the 	device. Then you’ll find your android phone displayed as hardware. And move the downloaded app to the hard drive.
Download office apps for Android to your computer. Connect your Android phone to your computer using a USB cable. Choose 'Connect as hardware'. Double-click to open the Android phone. Then you’re able to select the app and install it to your phone.