Windows Updates and Firewall

For security reason it is necessar to keep the computer updated. Updates manage important security errors of the operating system. Firewall prevents unauthorized users from gaining access to the computer via network or the Internet.
 Download updates offline: How to download updates for the computer without Internet connection.

Windows 7 and 8

Manual install of updates MS Windows 7 and 8
If you want to update immediately without waiting tor automatic updates.

Setting automatic updates MS Windows 7 and 8
Setting automatic updates for automated updates downloading.

Setting firewall in MS Windows 7 and 8
Setting firewall in MS Windows 7 prevents unauthorized users from gaining access to the computer via network or the Internet.