Microsoft Security Essentials runs quietly and efficiently in the background so that you are free to use your Windows-based PC the way you want without interruptions or long computer wait times. It's easy to tell if your PC is secure when the top border is green, you're good to go. Microsoft Security Essentials is a free* download from Microsoft that is simple to install, easy to use, and always kept up to date so you can be assured your PC is protected by the latest technology. To do this, open Microsoft Security Essentials, click Update, and then examine the virus and spyware definitions status.Microsoft Security Essentials for Windows provides real-time protection for your home PC that guards against viruses, spyware, and other malicious software. After the file extraction dialog box closes, you can verify that the virus and spyware definitions were updated.

The dialog box indicates that the definition update is installing. Download the Microsoft Security Essentials virus and spyware definition update file that is appropriate for your version of Windows: Download the file for a 32. When the definition update file runs, a file extraction dialog box appears. If you are prompted for an administrator password or for confirmation, type the password, or click Continue. Right-click the file, and then click Run As Administrator. To install the saved file, follow these steps:ĭouble-click the file, and then click OK. If you click Save, remember the folder where you saved the file.

Or, click Save to save the file to the computer. The 64-bit versions of Windows include 圆4-based versions of Windows.Ĭlick Run to install the definition update file immediately. Important: You must be running a 64-bit version of Windows to run a 64-bit version of Microsoft Security Essentials.

Microsoft security essentials 32 bit