Here are the Islets System Requirements (Minimum)
CPU: Intel Pentium E2180 (2 * 2000), AMD Athlon Dual Core 4450e (2 * 2300), or equivalent
RAM: 4 GB
VIDEO CARD: GeForce GT 220 (1024 MB) or Radeon HD 4650 (1024 VRAM)
DEDICATED VIDEO RAM: 1024 MB
PIXEL SHADER: 4.1
VERTEX SHADER: 4.1
OS: Windows 7
FREE DISK SPACE: 1 GB
Islets Recommended Requirements
CPU: Intel Core i3-3240 (2 * 3400), AMD A8-3850 (4 * 2900), or equivalent
RAM: 8 GB
VIDEO CARD: GeForce GT 640 (2048 VRAM) or Radeon R7 250 (2048 VRAM)
DEDICATED VIDEO RAM: 2048 MB
PIXEL SHADER: 5.0
VERTEX SHADER: 5.0
OS: Windows 10
FREE DISK SPACE: 1 GB