You may download the latest version from http://windows.microsoft.com/en-us/internet-explorer/download-ie.
If you are using earlier versions instead of Internet Explorer
11, you can also browse with Mozilla Firefox or Google Chrome.
Due to compatibility view, your browser can operate as earlier
versions even if you are using Internet Explorer 11.You can check your browser mode from Tools > F12 developer
You may download Safari Internet browser from support.apple.com/kb/DL1531 page. In case there is an update, information will be provided by Apple Software Update software to the fact that there is an update, and update will be automatically performed in case you grant approval.