Check Zabbix agent installed on Windows

running:

tasklist | findstr "zabbix"

service layer:

sc query "zabbix agent" 
sc query "zabbix agent 2"

native program program:

reg query "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall" /s | findstr "zabbix"

32-bit app on 64-bit system:

reg query "HKLM\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall" /s | findstr "zabbix"