IObit Malware Fighter 5 Quick Start Guide

IObit MalwareFighter 5

IObit Malware Fighter 5 is a powerful and comprehensive anti-malware and anti-virus program that protects your PC against malware and viruses in real-time. With the newest Bitdefender antivirus engine and the much improved IObit anti-malware engine, IObit Malware Fighter 5 supports removing the latest spyware, adware, Trojans, keyloggers, bots, worms, hijackers, and viruses. The newly added Anti-ransomware Engine protects your private data & files from malicious attacks and unauthorized access by third-party programs, which takes PC security to a higher level. Besides, it also adds Download Protection and Camera Guard to keep your PC away from the malicious files and protect your camera from unauthorized use. What's more, IObit Malware Fighter 5 optimizes and enhances several important protections like Surfing Protection & Ads Removal, Plugin / Toolbar Cleaner, and Homepage Protection to protect your PC in an all-around way and ensure safer and smoother surfing experience.

System Requirements

Operating Systems Supported

Windows XP/Vista/7/8/8.1/10

Hardware Requirements

1 GHz processor or faster processor

1 GB of RAM

1,000 MB of free hard disk space

1024*768 screen resolution and above

Download and Installation

1) Click here to download the latest IObit Malware Fighter 5.

2) Double-click the downloaded IObit-Malware-Fighter-Setup.exe to start the installation.


Pro users can always enjoy the latest version and database automatically with Automatically update the program and database option ticked by default in Settings.

Free users can manually update IObit Malware Fighter 5 and its database with either of the options below:

1) Click at the top right of the main screen and select Check for Updates to update your program and/or database to the latest when updates are available.

2) Click in the main screen can also help you update the outdated database when your database is outdated.


Note: A valid license code is required to activate the Pro version. If you forgot your license code, retrieve it here. You can also click here to purchase a new one.

Click Enter Code link at the bottom right corner of IObit Malware Fighter 5 main screen, enter your license code, and click Register Now button to activate the Pro version. Visit here for step-by-step activation instructions.

Manage License - After upgrading to the Pro version, you can click Manage License link at the bottom right of the screen to check the detailed license information, Refresh your license, or Export License.


Windows 8 & earlier versions:

1) Click on the Start button to open your Start Menu.

2) Click on Control Panel in the right pane.

3) Click on Uninstall a program under Programs.

4) Locate and click on IObit Malware Fighter

5) Click Uninstall button directly above the list of programs to uninstall.

Windows 10 :

1) Click on the Start button to open your Start Menu.

2) Click on Settings in the left pane.

3) Click on System or Apps on the Settings menu.

4) Select Programs & features or Apps & features from the left pane.

5) Select IObit Malware Fighter

6) Click on the Uninstall button to uninstall.

Main Screen

This is the first screen you may see after IObit Malware Fighter is installed and launched.