I must correct you - there is no original NES game titled "God of War 2" by Nintendo. The God of War series is actually owned by Sony Interactive Entertainment and was initially developed for the PlayStation 2 console.

However, I can provide you with information on how to buy a copy of the original PlayStation 2 game "God of War" (not God of War 2) for Windows from a recommended market.

Buying a Used Copy of God of War for Windows

If you're looking to play the original PlayStation 2 game "God of War" on your Windows computer, you have several options to consider. Here are some steps to help you find a reliable seller:

1. Recommended Marketplaces: You can check out online marketplaces like Amazon, eBay, or GameStop. These websites often have a wide selection of used games and consoles.
2. Specialized Retro Gaming Stores: If you're looking for a more authentic experience, consider visiting specialized retro gaming stores in your area. These stores often carry a variety of classic games and consoles, including the PlayStation 2.
3. Online Forums and Communities: Join online forums or communities dedicated to retro gaming or God of War fans. You can ask for recommendations on where to find a used copy of the game.

How to Buy a Used Copy of God of War

When buying a used copy of God of War from an online marketplace, make sure to follow these steps:

1. Check the Seller's Rating: Before making a purchase, check the seller's rating and reviews. A reputable seller should have a high rating and positive feedback.
2. Verify the Game's Condition: Check the game's condition before buying. Make sure it's in good working order and comes with all original packaging and accessories.
3. Check the Price: Compare prices from different sellers to ensure you're getting a fair deal.

How to Install God of War on Windows

If you've successfully purchased a used copy of God of War, here are the steps to install it on your Windows computer:

1. Download the Game ROM: You'll need to download the game's ROM file from a trusted source.
2. Use an Emulator: You'll need to use an emulator that supports the PlayStation 2 console. Some popular emulators include PCSX2 and EmulationStation.
3. Install the Emulator: Download and install the chosen emulator on your Windows computer.
4. Configure the Emulator: Configure the emulator according to its instructions, including setting up the game's ROM file and controller settings.

System Requirements for God of War

Before installing God of War, make sure your computer meets the system requirements:

1. Processor: A 2 GHz or faster processor is recommended.
2. RAM: At least 512 MB of RAM is required.
3. Graphics Card: A dedicated graphics card is not necessary, but a video card with at least 128 MB of VRAM is recommended.

Troubleshooting Common Issues

If you encounter any issues while playing God of War, here are some troubleshooting steps:

1. Check the ROM File: Make sure the game's ROM file is corrupted and try downloading it again.
2. Update the Emulator: Ensure your emulator is up-to-date and running the latest version.
3. Adjust Controller Settings: Adjust your controller settings to ensure smooth gameplay.

Conclusion

Buying a used copy of God of War for Windows can be a great way to experience this classic game on your computer. By following these steps, you can find a reliable seller, verify the game's condition, and install it using an emulator. Make sure to check the system requirements and troubleshoot any issues that may arise.

However, please note that owning and playing a used copy of God of War is not the same as owning a new copy or purchasing a re-released version of the game. If you're looking for the best gaming experience, consider purchasing a re-released version of God of War or buying a new copy from an authorized retailer.

I hope this information helps you in your quest to play the original PlayStation 2 game "God of War" on your Windows computer!