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SPECIFICTION
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iolo System Shield

iolo.com

From $3/mo Free trial Windows
Visit iolo.com
Spec score 7.7 #68 of 120 in Antivirus software

Spec sheet

Purpose
System Shield provides antivirus and antispyware protection for PCs.Read 12 Oct 2026 · iolo.com
Free plan
NoRead 24 Sep 2026 · iolo.com
Trial
The download page offers a System Shield trial with real-time antivirus protection, but does not state its duration.Read 12 Oct 2026 · iolo.com
Support
The product page advertises free product support, and iolo’s support page lists live technical support as available 24/7.Read 12 Oct 2026 · iolo.com
Company
iolo says it is part of RealDefense LLC and is headquartered in Los Angeles, California.Read 12 Oct 2026 · iolo.com
Antispyware
The product says it removes spyware, adware, keyloggers, and other privacy-compromising parasites.Read 12 Oct 2026 · iolo.com
License scope
The product page says System Shield is for use on all your home PCs.Read 12 Oct 2026 · iolo.com
Protection scope
antivirusRead 24 Sep 2026 · iolo.com
Real-time protection
HyperScan is described as nullifying external attacks in real time, while Sentient Technology uses AI heuristics to identify malicious behavior and unclassified threats.Read 12 Oct 2026 · iolo.com
Related product inclusion
iolo’s activation article says System Shield is included with System Mechanic Ultimate Defense.Read 12 Oct 2026 · iolo.com
Requirements
The download page lists Windows 11, 10, 8.1, 8, or 7, at least 512 MB RAM, 60 MB disk space, Internet Explorer 9 or later, and an internet connection for license activation.Read 12 Oct 2026 · iolo.com
Supported platforms
WindowsRead 24 Sep 2026 · iolo.com
System impact
iolo describes protection as using near-zero resources and says the streamlined virus definitions process minimizes system impact.Read 12 Oct 2026 · iolo.com
Threat coverage
iolo says it blocks viruses, malware, Trojans, rootkits, bots, and other dangerous programs.Read 12 Oct 2026 · iolo.com
Updates and renewal
One year of included updates is stated; ongoing updates for certain features require renewal after that period.Read 12 Oct 2026 · iolo.com

Plans and prices

System Shield $35.95 a year One year of included updates; renewal is required to continue access to features that need ongoing iolo updates. For use on all your home PCs · Windows 11, 10, 8.1, 8, 7 · 30-day money-back guarantee Read 12 Oct 2026 · iolo.com

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