While version 9.0.0 is the current standard, previous versions like 8.2.2 may still be available for specific lab requirements until a certain sunset date.
The Deep Strategy: If you need 8.2.0 specifically (because your lab manual references it), do not download random installers from "Softonic" or "FileHippo." Those are vectors for malware that will turn your PC into a crypto-mining botnet. Instead: cisco packet tracer 8.2.0 download
In the chaotic churn of software releases, 8.2.0 holds a unique position. It is not the bleeding edge (8.2.2 and 8.3.x exist), but it is the stable workhorse . While version 9