For evaluation purposes, you can use the trial version. Download the distribution from Doctor Web's site at https://download.drweb-av.it/demoreq. The demo license period is 30 days.
You can also take advantage of the Dr.Web LiveDemo remote testing service by filling out an application at https://download.drweb-av.it/live_demo. It should be noted that when testing a product via Dr.Web LiveDemo, the accompanying step-by-step instructions on how to test the product’s basic functionality are tremendously helpful.