Which 7-Zip Installer is the Right One?

July 5, 2025 3 answers
Asked by TechWiz2023
I'm trying to install 7-Zip on my computer, but both installers I've downloaded trigger a popup from Windows Defender. I'm really unsure if either installer is safe to use or which one I should choose. Can anyone help me out with this?

Answers

NiftyNinja88
Iโ€™ve heard people mention NanaZip as an alternative to 7-Zip, but Iโ€™m not really familiar with it either. If anyone has experience with that, let us know!
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DownloadDynamo17
Make sure youโ€™re downloading the installer directly from the official 7-Zip website (7zip.org). Sometimes, security software flags 7-Zip as malware, but thatโ€™s usually a false positive. If you're seeing a UAC (User Account Control) popup when you try to install, that's normal, but pay attention to what the Windows Defender message says just in case.

TechWiz2023: I just retried the installation, and it seems to be working fine now. The pop-up is just the UAC one this time, not a security warning.

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SafetyFirst42
Just a heads-up, 7-Zip does occasionally get flagged as malware by several antivirus programs. It's usually okay, but always double-check youโ€™re sourcing it from the official site.
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