A: Technically, no. Legally, downloading the game files from an abandonware site is piracy. However, if you own a retail license key , downloading the matching ISO is considered a "backup" under fair use in some jurisdictions (though not all). The safest route is buying the physical DVD.
Once you obtain a potential key, here is how the "online verified" flow works with community tools: license key for blur pc game online verified
Once you have purchased a , follow these steps to activate it on Steam. A: Technically, no
: Unused Steam keys are extremely rare and often listed at exorbitant prices (sometimes over €10,000) on secondary markets, though many of these listings may be fraudulent or "fake" app IDs. 000) on secondary markets