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Every install begins with a 3-day trial — everything unlocked, no card. After that, keep watching your network for free, or pick a plan for blocking, threat intelligence and advanced detection.
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Straight answers.
Will it slow down my PC?
It shouldn't. NetSecWall watches quietly in the background instead of sitting in the middle of your traffic, so monitoring stays light. Blocking only does work when you actually block something.
Do I need administrator rights?
Yes. Windows requires elevation both to see per-process network activity and to change firewall rules, so NetSecWall runs elevated. It does not create an account or ask you to sign in.
Will it fight with my existing firewall?
No. If another manager (Windows Firewall Control, GlassWire, a third-party suite) already owns the Windows Firewall, switch NetSecWall to Companion mode: it keeps monitoring and can still block on its own, without touching the other tool's rules.
What leaves my computer?
By default, nothing. NetSecWall works fully offline. Product analytics are opt-in, anonymous, and never include your traffic, domains, app names or rules — see the Privacy section above.
Can it keep protecting me with the window closed?
Yes. Closing the window minimises to the tray and keeps monitoring. For always-on coverage — even before you sign in — install the optional 24/7 background service from the setup wizard.
Which Windows versions are supported?
Windows 10 and 11, 64-bit. NetSecWall is built specifically for Windows, so it's Windows-only by design.
How do I delete the data I've sent?
Open Settings → Privacy and choose erase — the app sends an immediate deletion request and everything tied to your anonymous ID is removed. You can also opt out of analytics entirely with one switch.