""Should I buy a new computer antivirus?" I receive this question frequently during the initial setup phase. To give you the answer first, if you are a Windows 10 or 11 user There is no need to live separately.. Microsoft's official antivirus Microsoft Defender AntivirusThis is because it is included by default in the operating system and runs automatically from the moment you first turn on your computer. There is no need to install anything or pay any subscription fees.
1. What Defender does
- Real-time protection: Scans for malware and blocks it immediately whenever a file is opened or executed.
- Cloud-based threat analysis: Receive new virus information from the cloud to increase detection rates.
- Automatic Update: The antivirus engine is automatically kept up to date through Windows Update.
- Firewall·SmartScreen Integration: It also provides warnings for dangerous websites and downloads.
- Ransomware Protection: 'You can protect important folders with the 'Controlled Folder Access' feature.
2. How to check if it is turned on properly
- From the Start menu Windows SecuritySearch for and run (or Settings → Privacy and security → Windows security)
- Virus and threat protectionPress to check if the status is 'No threats detected'.
- Inspection OptionsYou can press 'Quick Scan' to perform a light check, or 'Full Scan' for a thorough scan.
Microsoft advises that "Defender is sufficient for most users who turn on basic protection and consistently install updates."
3. Please be careful about this.
- Do not use two vaccines at the same time. It is normal for Defender to automatically turn off to prevent conflicts when you install a new paid antivirus. Leaving both enabled actually slows things down and causes malfunctions.
- There are things that vaccines cannot prevent. Fake bank links in phishing emails and suspicious attachments sent via messenger are not antivirus software. User's habitsYou must prevent this. Do not open links or attachments from unknown senders.
If you are a macOS user, since Defender is not the default, it is recommended that you consider a separate antivirus.
Source: Microsoft Learn Q&A 'I was told Microsoft Defender was automatically built into Windows 11, is that true?''
https://learn.microsoft.com/en-us/answers/questions/3981080/i-was-told-microsoft-defender-was-automatically-bu
Pureinfotech 'Microsoft says Defender is enough for Windows 11 users''
https://pureinfotech.com/windows-11-microsoft-defender-no-third-party-antivirus-needed/
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