Available on most modern platforms, MW3 promises to be a major milestone in the long-standing franchise. So how much space will you have to reserve to try out the Beta? Read on to find out. Modern Warfare 3 Beta Download Size. Modern Warfare 3 is preparing for launch, with the Open Beta On PC, Modern Warfare 3‘s full file size is roughly 149 GB. On PlayStation 5, it’s a whopping 240 GB. There hasn’t been any official word regarding the Xbox Series X/S file size, but it’s The Modern Warfare 3 beta has been finalized, and the download size has been leaked. It's actually quite a small download for the beta, but that's because it's actually coming as an update to MW2 rather than being it's own app. Recommended specs. CPU: Intel Core i7--8700K or AMD Ryzen 7 2700X. Video card: NVIDIA GeForce RTX 3080 / RTX 4070 or AMD Radeon RX 6800XT. Video memory: 10GB. RAM: 16GB. Storage space: 149GB at launch (78GB with COD HQ downloaded) Sound card: DirectX compatible. Recommended graphic drivers: Nvidia - 537.58, AMD - 22.9.1. Step 7: Preload MW3 Beta On the game's page, you will see an option to preload the MW3 Beta. Click on it to start the download process. The file size may vary, so make sure you have enough storage space available. Step 8: Monitor Download Progress While the MW3 Beta is preloading, you can monitor the download progress in the Steam application. Unsurprisingly, the download size for Modern Warfare 3 is hefty. Anyone looking to pre-load the shooter should expect around 80 to 90GB regardless of platform. Then a further 100-plus GB can be Activision has moved to explain the enormous file sizes Call of Duty fans can expect to hit their hard-drives with the launch of Modern Warfare 3 this month. With Modern Warfare 3 campaign early access now live, players have found a total Call of Duty install imprint of an eye-watering 234.9GB on PlayStation 5. Call Of Duty: Modern Warfare 3. Credit: Activision Blizzard. Call Of Duty: Modern Warfare 3 is surpassing 200GB in size, and Activision has explained that this is thanks to the “increased amount Also Read: PlayStation 5 showcase event confirmed for September: New launch titles, price, pre-orders & more. Here are the official system requirements for Call of Duty Modern Warfare 3 as per The size of Call of Duty: Modern Warfare 3 can differ wildly depending on the installation, as there's no way to download Call of Duty: Modern Warfare 3 as a completely standalone title. RJ876.