Webroot Internet Security Plus is designed to work on PCs, Macs, smartphones, or tablets. As declared on the Webroot website, it is offered to work on up to 5 devices.

PC Requirements

Microsoft® Windows XP 32, 64-bit SP2, SP3

Windows Vista 32-bit, Windows Vista SP1, SP2 32, 64-bit

Windows 7 32, 64-bit, Windows 7 SP1 32, 64-bit

Windows 8 32, 64-bit

Windows 8.1 32, 64-bit

Windows 10 32, 64-bit

Mac Requirements

Mac OS X 10.7 Lion

Mac OS X 10.8 Mountain Lion

OS X 10.9 Mavericks

OS X 10.10 Yosemite

OS X 10.11 El Capitan

macOS 10.12 Sierra

macOS 10.13 High Sierra

macOS 10.14 Mojave

macOS 10.15 Catalina

Minimum System Requirements

Intel Pentium or Celeron family processor, AMD K6, Athlon, Duron family processors, or compatible processor

128 MB RAM

10 MB of Hard Disk Space

WiFi Security Requirements for Computers

OS X 10.10 Yosemite or newer

Windows 7 32, 64-bit, or newer, except Windows 8 and Windows 10 S

There are other requirements listed on the Webroot website that cover mobile operating systems and web browsers.

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