Hello.
Is there support for High Sierra OS, because i am unable to upgrade any further.
Thanks.
Below are the system requirements to run bitdefender antivirus for mac.
In case you are having issues,
Generate bitdefender BDProfiler log for macOS (https://www.bitdefender.com/consumer/support/answer/1863/)
Share the logs & your query with bitdefender support team by dropping them an email at bitsy@bitdefender.com
The support team will reply back to your query within next 24-48 hours excluding weekends.
Regards