Important: Ensure Windows is up to date. See How to get the latest software and driver updates from Windows. If you just updated Windows, please install the "Optional updates" under Settings > Windows Update > Advanced options.
Disclaimer: The following steps apply to Windows Defender which is the default antivirus program for all Razer Blades.
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Open Windows Defender.
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Select "Virus & threat protection" on the left-side menu.
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Click on "Virus & threat protection updates".

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Click on "Check for updates". Windows Defender will proceed to download and install any available updates.
