F-Secure Internet Security / Anti-Virus

What to do if you have unused subscription codes for F-Secure Internet Security (or Anti-Virus)
Switching from the old F-Secure Internet Security or Anti-Virus product to F-Secure Total
How to upgrade F-Secure Internet Security (old SAFE) to F-Secure TOTAL
Why did I receive an email saying that my [OLD] F-Secure Internet Security subscription is going to expire, even though I have renewed it?
Can F-Secure Mobile Security be installed on iOS devices?
Legacy F-Secure Internet Security and F-Secure Anti-Virus reaching end of sales
What are the differences between the old F-Secure Internet Security and the new F-Secure Internet Security released on February 14?
Upgrading from F-Secure Internet Security to F-Secure Total
F-Secure SAFE has now a dedicated browsing extension for the Safari browser on iPhones and iPads
F-Secure Mobile Security has been discontinued

How can I check which version of the Mac operating system my computer is running?

How can I check which version of the Mac operating system my computer is running?

Knowing the Mac operating system version can help you determine whether your Mac computer is up to date or meets the system requirements of your F-Secure product.

Go to the Apple menu on the top-left corner of the screen.
Select About this Mac.

The version of the operating system is displayed on the screen that opens.