The identifier sw_dvd5_office_professional_plus_2013_w32_english_mlf_x1855138iso is not a harmless relic. It is a known, dangerous pirated copy that offers no legitimate benefit over free alternatives like , OnlyOffice , or Microsoft’s free web-based Office apps (office.com).
The ISO is a bit-for-bit copy of the original pressed DVD5 disc, preserving boot sectors, autorun configuration, and all setup metadata. It is intended for deployment on 32-bit Windows operating systems (compatible with 64-bit Windows via WOW64). preserving boot sectors
Because this is a Volume License (VL) version, the installation process differs slightly from retail versions. 1. Verification preserving boot sectors