Error code 0x404 when installing Office
Problem Description: Microsoft Office error code 0x404 generally is due to an existing installation of the Microsoft Office suite in your computer. This error is applicable with all the versions of Microsoft Office 365 and Microsoft Office 2013.
Steps for installation:
1. Enter the product key
2. If you have online account enter the username and password.
3. Click on Install
Click on all Done
Now, the Office Suite is installed and ready to use.