Recommed to use above IE7.0 browser with 1024 x 768 resolution.
Set and add browser to trusted sites and adjust the security level to the lowest.
Recommend to use V3.8 or 7-ZIP V4.65 version and above for decompress WinRAR software.
Recommend 2003 version onward for Office software.
Recommend PDF to use Adobe Reader verion 9 onward.