求各位大神告知，正在考虑要不要下载
Windows 8.1 64-bit ( 6.3 Build 9600 )
CPU: Intel(R) Core(TM) i5-5200U CPU @ 2.20GHz(4 CPUs),~2.2 GHz
Memory: 3.91GB RAM
Display: NVIDIA GeForce 820M