The most reliable way to play today is through Steam . The original Operation Flashpoint was rebranded as Arma: Cold War Assault . This version includes the Resistance expansion by default and is updated to run on modern Windows 10 and 11 systems.
: A mod that recreates the Resistance campaign within the newer Arma 2 or Arma 3 engines for better graphics. If you'd like, I can help you: Troubleshoot installation on Windows 10/11. Find the best mods for better graphics. Locate the manual or key guides for the campaign.
Let me know which you are using so I can give you the right setup steps! Download Operation Flashpoint: Resistance PC Ga...
: A tool to help you find active multiplayer servers.
: The final official patch for the game is version 1.96, which is necessary for most mods to function. The most reliable way to play today is through Steam
You can often find the game on GOG.com , which provides a DRM-free version that is highly compatible with older hardware and mods.
Once you have the game, the community has created several "total conversions" that improve graphics and gameplay: : A mod that recreates the Resistance campaign
If you are looking for the original 2002 physical discs, they are often available through second-hand retailers like Amazon or eBay. Note that these may require community patches to run on modern PCs.