Manually download the latest updates
If you need to get the latest updates available, you can download and install them from here.
For all Microsoft security software, you will need to download the antimalware and antispyware updates.
Antimalware and antispyware updates
For antimalware and antispyware, the latest definitions are 1.185.1517.0, dated Sep 29, 2014 06:15 AM UTC.To download these updates:
- Check whether your version of Windows is 32-bit or 64-bit.
- In the table below, right-click on the link that will work for your version of Windows and choose Save target as... or Save link as...
- Save the file to your Desktop.
- When the file has finished downloading, go to your Desktop and double-click the file (it will be called mpam-fe.exe, mpas-fe.exe, or mpam-feX64.exe).
- Follow the prompts to install the update.
| Product name | Download |
|---|---|
| Microsoft Security Essentials | 32bit/64bit |
| Windows Defender in Windows 8.1 | 32bit/64bit/ARM |
| Windows Defender in Windows 7 and Windows Vista | 32bit/64bit |
