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iolo System Shield

Plans and prices

System Shield

$35.95a year

For use on all your home PCs · Windows 11, 10, 8.1, 8, 7 · 30-day money-back guarantee

Every plan, in full

On the record

Antispyware
The product says it removes spyware, adware, keyloggers, and other privacy-compromising parasites.iolo.com · read 12 Oct 2026
Company
iolo says it is part of RealDefense LLC and is headquartered in Los Angeles, California.iolo.com · read 12 Oct 2026
License scope
The product page says System Shield is for use on all your home PCs.iolo.com · read 12 Oct 2026
Protection scope
antivirusiolo.com · read 24 Sep 2026
Purpose
System Shield provides antivirus and antispyware protection for PCs.iolo.com · read 12 Oct 2026
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.iolo.com · read 12 Oct 2026
Related product inclusion
iolo’s activation article says System Shield is included with System Mechanic Ultimate Defense.iolo.com · read 12 Oct 2026
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.iolo.com · read 12 Oct 2026
Support
The product page advertises free product support, and iolo’s support page lists live technical support as available 24/7.iolo.com · read 12 Oct 2026
Supported platforms
Windowsiolo.com · read 24 Sep 2026
System impact
iolo describes protection as using near-zero resources and says the streamlined virus definitions process minimizes system impact.iolo.com · read 12 Oct 2026
Threat coverage
iolo says it blocks viruses, malware, Trojans, rootkits, bots, and other dangerous programs.iolo.com · read 12 Oct 2026
Trial
The download page offers a System Shield trial with real-time antivirus protection, but does not state its duration.iolo.com · read 12 Oct 2026
Updates and renewal
One year of included updates is stated; ongoing updates for certain features require renewal after that period.iolo.com · read 12 Oct 2026

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