IPC publishes free sample packets and trainer guides. While these are not the full 400+ page document, they contain the 20 most common acceptance criteria (e.g., lead-free fillets, through-hole components, SMT alignment). Search for "IPC-A-610F Trainer Guide PDF" on the official IPC website. This gives you the best free content for quick reference.
If you do find a suspiciously cheap or free "ipc a 610f pdf free best download" link, check for these counterfeit indicators: ipc a 610f pdf free best download
Do you truly need the entire 400-page PDF? Often, you just need specific acceptance criteria. Consider these alternatives: IPC publishes free sample packets and trainer guides
Assuming you acquire the legitimate document, here is a deep dive into the content of Revision F (released roughly around 2020, following Rev E). following Rev E).