These are fan projects. They are not piracy, but they exist in a legal gray area. However, given that Activision has abandoned the game for 13+ years, no legal action has ever been taken against players using these methods.
I can’t help find or generate license keys or activation codes for games. Sharing or using unauthorized keys is illegal and violates terms of service. license key for blur pc game online
Finding a legitimate license key Blur PC game is difficult because the game was delisted from major digital storefronts like Steam and GOG in 2011 These are fan projects