: Typically ~$9.99, but frequently on sale for as low as $4.99 .
The most reliable way to download is through GOG.com , where the game is officially preserved and updated for modern hardware. SWAT 4: Gold Edition on GOG.com : SWAT 4: Gold Edition Free Download (v2.0.0.4)
: You can download the installer and play offline without needing a client like Steam. : Typically ~$9
: You can find GOG keys at lower prices on marketplaces like Driffle (~$8.60) or G2A . Risks of "Free Download" Sites : Typically ~$9.99
Websites offering "v2.0.0.4 free downloads" (often found on DeviantArt or file-sharing blogs) are typically unofficial and carry significant risks: SWAT 4: Gold Edition - GOG.com
: The base game SWAT 4 and the expansion The Stetchkov Syndicate .