Windows Hotfix Downloader allow you to close all vulnerabilities in your windows by downloading all new updates from microsoft So you will not miss the opportunity for any attacker to exploit any vulnerability in your windows . the program is very easy and you can use it without installing , just open it and click on Please Select Update to choose your system .
Then it will apear many updates for your OS that you can choose from it any update you want to download (you can choose all the updates) then click on download .
also this program allow you to download the security updates for MS Office 2010 and 2013 in 32 and 64 bits .
Download Windows Hotfix Downloader