1. Purchase a license
2. Type your new ESET-issued Username and Password into the program

To upgrade your trial version of ESET NOD32 Antivirus 4 for Linux Desktop to the full version, follow the steps below:

I. Purchase a license

1. Visit the Purchase Page and complete the purchase process.
2. When you have completed the purchasing process, you will receive an email with a new Username and Password (usually within one hour). When you receive this email, continue to the next section.

II. Type your new ESET-issued Username and Password into the program

1. Open the main program window by clicking the ESET icon  in the notification area, or by clicking Applications → System Tools → ESET NOD32 Antivirus 4.
2. Click Update Username and Password setup.

   

   Figure 1-1
   Click the image to view larger in a new window

3. Type the new username and password that were sent to you upon purchase of your license. The following are EXAMPLES only:

   Username: EAV-12345678

   Password: abcde12345

   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

   

   Figure 1-2

4. Click OK.

If you entered your ESET-issued Username and Password correctly, you will be upgraded to the full version and the detection engine update will complete successfully.