How to disable Windows Defender in Windows 8.1?

For what need to disable Windows Defender?

Once you complete the steps, the antivirus will disable the real-time protection, which it’ll allow you to install apps or make a specific system change that you couldn’t before because the security feature was blocking the action. It is needed for unzip and install activator for activate your Windows or Office.

Disable Windows Defender in 1 Click

We have script, which can save your time and will do work for you.

  • Download the script
  • Run the file “disable-defender.cmd“.
  • Accept everything.
  • Wait till window will be closed.
  • After activation, you can enable it back, for it Download the script and run “enable-defender.cmd“.

Disable Windows Defender using cmd

Alternative Instruction for Windows 8.1

  • To disable Windows Defender, you need to open its main window. Open the Start screen (1).
  • Type the following: defender (2). Windows Defender will appear as the first result in the search.
    Search for Defender
  • Run it (3) and switch to the Settings tab (4).
  • In the left panel, clickReal-time protection” item (5).
  • In the right panel untick the “Turn on real-time protection” checkbox (6).
  • Click the “Save changes” button (7) to confirm the changes.
    Untick the "Turn on real-time protection" checkbox


If you see this picture you done well and disabled Windows Defender, now you can safely activate your Microsoft Office with any activator from our site. After success activation you can turn on Windows Defender if you want, by clicking “turn on” button. If you did not understand something – please watch video tutorial below.

Video tutorial

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