

Type the following command to check and update Microsoft Defender Antivirus and press Enter: Type the following command to open the antivirus tool location and press Enter:Ĭd C:\ProgramData\Microsoft\Windows Defender\Platform\4.18* Search for Command Prompt, right-click the top result, and select the Run as administrator option.To check and download updates for Microsoft Defender, use these steps: How to check for updates on Microsoft Defender How to restore quarantined items on Microsoft Defender.How to perform boot sector malware scan on Microsoft Defender.How to perform custom virus scan with Microsoft Defender.How to perform full virus scan with Microsoft Defender.How to perform quick virus scan with Microsoft Defender.How to check for updates on Microsoft Defender.In this Windows 10 guide, we will walk you through the steps to manage Microsoft Defender Antivirus with Command Prompt.
