Items supported by platform page lacks information about log.count item. 

https://www.zabbix.com/documentation/4.0/manual/appendix/items/supported_by_platform

No platform specific information is provided on other pages where this item is discussed either. 

https://www.zabbix.com/documentation/4.0/manual/config/items/itemtypes/zabbix_agent

https://www.zabbix.com/documentation/4.0/manual/config/items/itemtypes/log_items

The most important use case to answer by this request - can log.count be applied to Windows and specifically to Windows event log?