Sw Dvd5 Office Professional Plus 2013 W32 English Mlf X18-55138.iso -

This is critical. The W32 tag means this ISO installs the of Office, even on a 64-bit Windows OS. Why would anyone choose 32-bit on 64-bit?

Are you deploying this on a or across a network environment ? This is critical

The Microsoft Part Number (MS Part No.). This is the fingerprint. You can cross-reference this number in the Microsoft Volume Licensing Service Center (VLSC). This is critical

The unique product identifier stock-keeping unit (SKU) assigned by Microsoft to this specific build and language pairing. This is critical