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Where are my Username and Password located in ESET Cybersecurity for Mac? (4.x)

Upgrade to ESET Cyber Security

A newer version of ESET Cyber Security for Mac has been released. We highly recommend that you upgrade to the latest version. Upgrade for free with a valid product license:


If you have forgotten or lost your Username and Password, visit our lost license page. If you are looking for your Username in the program settings, see the information below. 

Following the purchase or activation of ESET Cybersecurity for Mac, registered users receive an email containing a Username and Password. This Username and Password must be entered into the program to allow virus signature updates to be properly downloaded to your computer.

To locate your Username and Password in the program settings, follow the steps below:

  1. Open the main program window by clicking the ESET icon on the menu bar and selecting Open ESET Cybersecurity or by clicking Finder  Applications ESET Cybersecurity.

  2. Click Update from the main menu on the left and then click Username and Password setup....

  3. From the Update settings window, you can edit or copy your username to your clipboard. To copy your username to your clipboard, highlight the Username field with your mouse and CTRL + click (or right-click) and select Copy from the context menu. You can also press COMMAND + C on your keyboard to copy your username to the clipboard. If your username or password is incorrect, you can adjust either or both of them here.

    Usernames and Passwords

    Remember to enter your Username and Password exactly as they are written:

    • The username and password are case sensitive
    • The hyphen in the username is necessary
    • The password is ten characters long and all lowercase
    • If you are copying and pasting, make sure you don't select an extra blank space
    • We do not use the letter L in passwords (use the number one (1) instead)
    • A big '0' is the number zero (0); a little 'o' is the lowercase letter o

    I forgot my Username and Password

    update details window, steps 2-4

    Figure 1-1

  4. Click OK to return to the main program window. If you need to submit a Customer Care Support Request Form, you can paste your username into the form by CTRL + clicking in the appropriate field and selecting Paste.