Look into LibreOffice or Apache OpenOffice, which are free, legal, and compatible with Office files.
If you already own a license or have an installer, use these steps to set up the 64-bit version: Source the Installer : Genuine ISO or IMG files are often available via Microsoft's Service Pack 1 page Microsoft Office 2013 64 Bit Preactivated Download
A smart feature that recognizes patterns and completes data entry automatically. Look into LibreOffice or Apache OpenOffice, which are