🖥️ 正當防衛 2 配備需求
PC 版最低與建議電腦配備（Steam 官方提供）。配備達到「最低需求」可以玩，想要畫面更順、特效開更高，建議參考「建議需求」。
💻 最低需求
- OS *
- Microsoft Windows Vista (Windows XP is unsupported)
- Processor
- Dual-core CPU with SSE3 (Athlon 64 X2 4200 / Pentium D 3GHz)
- Memory
- 2GB System Memory
- Hard Drive
- 10GB of free drive space
- Graphics
- DX10 compatible graphics card with 256 MB of memory (Nvidia GeForce 8800 series/ ATI Radeon HD 2600 Pro)
- Sound
- 100% DirectX 10 compatible sound card
- DirectX®
- Microsoft DirectX 10
🚀 建議需求
- OS *
- Microsoft Windows Vista SP1 or Windows 7
- Processor
- Intel Core® 2 Duo 2.6 GHz or AMD Phenom X3 2.4GHz or equivalen
- Memory
- 3GB system Memory
- Graphics
- DX10 compatible graphics card with 512 MB of memory (Nvidia GeForce GTS 250 series/ ATI Radeon HD 5750 series)
- Sound
- 100% DirectX 10 compatible Dolby Digital 5.1 sound card
- DirectX®
- Microsoft DirectX 10.1
資料來源：Steam 商店頁（2026/10/2 更新）。 遊戲改版後需求可能調整，購買前請以商店頁為準。