here is tip with screen shot
1)if the file is temporarily unavailable then u will get as
2)now click VIEW at the top and click source and u will get source code .now find the line in blue color shown below (or) click control+f and enter "hidden" and click find next

3)now remove (VISIBILITY:HIDDEN;) AND SAVE (file>>save) and press f5 and u can download file.
IF U DONT GET IT NOW ,IT MEANS THE CODE IS NOT CHANGED SO CHANGE IT AGAIN
IF U R STILL FACING PROBLEM JUST PASTE THE MEGAUPLOAD LINK IN THE SOFTWARE(LINK BELOW) AND U WILL GET THE DOWNLOAD LINK FOR DOWNLOAD MANAGERS IN 1 MIN