These are the minimum PC requirements for ProtoSphere:
Display resolution Required: Super VGA 1024 x 590
Recommended: Super VGA 1080x720 or higher
Windows 7 32-bit or 64-bit
Windows 8 32-bit or 64-bit
Windows 10 32-bit or 64-bit
System language must be set to English
Computer / Processor
Intel Pentium 4, AMD Athlon 64, or equivalent
2.4 gigahertz (GHz)
Windows Experience Index (WEI) of 3.5 or greater(Win 7)
At least 2 GB RAM
500MB+ of free disk space
3D-capable video card with minimum of 256MB (512MB recommended) of Video RAM and Microsoft. DirectX. 9.01c application programming interface.
Integrated video is not recommended.
USB headset with microphone is the preferred option in open plan offices.
If you are in a quiet room then your PC microphone and speakers will be fine.
Bandwidth, 256 kbit/s (minimum) 768 kbit/s or greater (recommended)
Security, administrator privileges needed for installation.