The "one-time purchase" version for users who hate subscriptions.
That 32-bit download became the safe harbor. While the 64-bit version was technically superior for handling massive datasets, it was notoriously incompatible with older third-party tools. The 32-bit version, running on the WoW64 (Windows 32-bit on Windows 64-bit) subsystem, was the chameleon. It worked on the old machines, it worked on the new machines, and most importantly, it didn't crash the accounting department's spreadsheets.
A: Purchase a new product key from Microsoft or an authorized retailer.
