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Kukoos: Lost Pets
Photo of your product, showing serial number and proof of purchase
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How to find the serial number of your product
1. Launch the Steam client software and log into your Steam account
2. Go to Games then click on Activate a Product on Steam...
3. Click on “Next”
4. Click on “I agree”
5. Enter the code
6. Go to your Steam Game Library, highlight the game, and click install
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