The "Office 2010 Starter Offline Setup Tool v13" is a third-party repackaging or utility (not an official Microsoft release). It generally refers to one of two things:
Office Starter uses App-V virtualization, which requires creating a hidden, non-accessible Drive Q: on your system. The tool handles this setup, which frequently fails when done manually. office 2010 starter offline setup tool v13
It lacked PowerPoint, Outlook, Publisher, and OneNote. Short story — "Office 2010 Starter: Offline Setup
Microsoft 365 costs $69.99/year for personal use. Free alternatives like LibreOffice exist, but they have a different UI. For users who hate change and refuse subscriptions, a free, ad-supported old version is attractive. It generally refers to one of two things:
Would you like help finding a modern, free, offline-capable office suite instead?