@inject Nop.Services.Configuration.ISettingService settingService@{ var value = settingService.GetSettingByKey<YOUR_SETTING_TYPE>(YOUR_KEY);}
@using Nop.Core.Infrastructure@using Nop.Services.Configuration@{ var value = EngineContext.Current.Resolve<ISettingService>().GetSettingByKey<YOUR_SETTING_TYPE>(YOUR_KEY);}
var value = EngineContext.Current.Resolve<ISettingService>().GetSetting("YOUR_KEY").Value;