Use Firewalls And Antivirus Programs - Lenovo 81LK01GVMH User Manual

Note: The user hard disk password cannot be removed separately.
Step 4. Select Exit ➙ Exit Saving Changes.

Use firewalls and antivirus programs

Your computer might be preinstalled with a firewall program. The firewall protects against computer Internet
security threats, unauthorized access, intrusions, and Internet attacks. It also protects your privacy.
A full version of antivirus program is provided with a free 30-day subscription. After 30 days, you must renew
the license to continue receiving the antivirus program updates.
For more information, see the help system of the program.
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Lenovo IdeaPad L340 Series User Guide