OESIS V4 licesning has two parts: a pass-key and a license file. Both pass-key and license file can be downloaded from "customer home page" of http://myportal.opswat.com.
Set WAAPI_CONFIG_LICENSE_KEY to pass-key. Place License file License.cfg in the same place as dlls. Otherwise License file location can be also updated using WAAPI_CONFIG_LICENSE_LOCATION
This article pertains to OESIS V4.
This article was last updated on 2017-09-13.