You do not need a 3rd party antivirus. Use Windows Defender and Malwarebytes.
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The best security sits between the chair and the keyboard. Watch what and where you click. If you do not know what is there do not click on "Click here". If you get an email that sates it is from your provider look at the address of the sender. If it has a couple of letters at the end they are probably the foreign country and that is not where your provider is located. When downloading programs do it from the maker not anyone else and do not allow any extra items to be included.
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Media Creation Tool, US;
https://www.microsoft.com/en-us/software-download/windows10
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Media Creation Tool GB;