Look for used DVD-ROMs on sites like eBay or Amazon . These are the most "official" way to own the game.
Because it is "end-of-life" software, many fans turn to archival sites. Ensure you use a reputable source to avoid malware. Essential Fixes for Modern PCs Download Need for Speed ​​Carbon PC Game 2006
A popular mod that unlocks hidden settings, enables windowed mode, and fixes stability issues. Look for used DVD-ROMs on sites like eBay or Amazon
By ThirteenAG. This allows the game to run at 1080p or 4K resolutions and fixes the aspect ratio so the UI isn't stretched. enables windowed mode
The 2006 release wasn't built for Windows 10 or 11, so you’ll likely need these community-made mods to make it playable: