sam520
sam520

Q: How to extract rar zip files? A: You can use 7zip to extract the rar zip files, it's free.And the following is the download link. 7zip: http://www.7-zip.org/ Q: How to View PDF files? A: You need get adobe reader to view PDF files, it's also free.And the following is the download link. Adobe Reader: http://get.adobe.com/reader Q: After I download I try to open the zip file and it tells me that it is corrupt and invalid, why can't I download it? A: ISPs are offering less reliable service these days, when download file, you'd better use firefox + DownThemAll Add-ons.And the following is the download link. firefox: http://www.mozilla.com/ DownThemAll Add-ons for Firefox: https://addons.mozilla.org/firefox/addon/201