Should I take my windows 10 out of s mode to install another antivirus?

[#7girlwalters]

I bought webroot (had it before) and didn't know I would be asked to change permanently something on my computer to install it. I guess if I take this off of s mode on my computer I can't get it back on it. Not sure what to do now. I should have an antivirus shouldn't I? and unless I download one I don't have one do I?

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