I am currently stuck with the 30-day free trial of mcafee livesafe (apparently).
No, you're not.
Before the 3-day free-trial period expires, you can (a) uninstall the McAfee free-trialware AND THEN (b) download/run the McAfee Consumer Products Removal Tool & reboot (c) AND THEN...
- Make certain that Win8.1's built-in (i.e., free) **Windows Defender** & **Windows Firewall** are enabled & working properly; or...
- Purchase and do a clean install of McAfee LiveSafe or any other third-party anti-virus application or security suite of your choice; or...
- Do a clean install of a free, third-party anti-virus application or security suite of your choice.
TIP => McAfee (and Norton) applications are notorious for not uninstalling or upgrading cleanly - so you don't want to "upgrade" to the paid version of McAfee LiveSafe (or any other McAfee application).
Your brand-new Dell Inspiron came with Windows 8.1 (Win8.1) preinstalled. Win8.1 first became available in October 2013. The vast majority of recently built brand-new computers come with Win8.1, not Win8, preinstalled.
Tip: Any Microsoft page that refers to Windows 8 applies to Windows 8.1 (but not necessarily vice versa).
PS: Kudos for asking questions and for asking good questions!