# System Requirements ### Client To use Invantive Web Service on your PC or terminal server you will need the following software including licenses: - Microsoft .NET 4.5. - Minimum 2 GB of internal memory. - Screen resolution of 1280 x 1024 or higher. ### On-Premises For the use of Invantive Web Service as server within the private network you will need (so-called "on-premises" use): - Operating system: Windows 2008 R1 Service Pack 2, Windows 2008 R2 or Windows 2012. - Minimum of 4 Gb internal memory. - Screen resolution of 1280 x 1024 or higher. - Minimal 1 central processing unit for server use not older than 2 years. - Drivers for the supported databases or own specific drivers for business applications.