//top\\ — Office 2013 64 Bits

Microsoft provides support and maintenance for Office 2013 64-bit, including:

Any third-party COM (Component Object Model) add-in compiled exclusively for 32-bit Office will fail to load in Office 2013 64-bit. Office 2013 64 Bits

Is the user processing data sets or workbooks > 2 GB? / \ Yes No / \ Are there legacy 32-bit Do they require legacy COM add-ins or ActiveX? ActiveX/COM or 32-bit MAPI? / \ / \ Yes No Yes No / \ / \ [Architecture Dilemma]* [Deploy 64-Bit] [Deploy 32-Bit] [Deploy 32-Bit] Microsoft provides support and maintenance for Office 2013

While Office 2013 64-bit is great for handling large files (like Excel sheets over 2GB), it has some specific requirements and "gotchas" you should know: ActiveX/COM or 32-bit MAPI

A 64-bit application can address essentially unlimited RAM (technically up to 16 exabytes). This allows Office 2013 to handle colossal spreadsheets, large presentations, and complex data modeling without breaking a sweat. Key Use Cases for 64-Bit

Once you have the installer, you need a valid product key to activate the software.