Is Microsoft Security Essentials Included in Windows 10?

Windows defender comes with Windows 10 and it is the upgraded version of Microsoft Security Essentials.

How do I install Microsoft Security Essentials on Windows 10?

Follow these steps to install Security Essentials:

1. Go to
2. Click Free download.
3. Microsoft detects your operating system and begins to download the options appropriate to your operating system.
4. If a Security Warning window opens, click Run.

Is Microsoft Security Essentials discontinued?

Microsoft Security Essentials reached end of service on January 14, 2020 and is no longer available as a download. Microsoft will continue to release signature updates (including engine) to service systems currently running Microsoft Security Essentials untill 2023.