If you on unix server, probably you might have cpanel. You can login over there and upload your files.

Also if you have any FTP program like cuteFTP you can connect to your server and upload your files.

i have ftp program but it had uploaded all files and folder but it shows nothing a blank page any way can you explain what is cron job...thanks

I am pretty sure that information in the following manual would be helpful: http://docs.oxwall.org/faq:how-to-transfer-my-site-to-another-hosting

Don't hesitate asking if anything seems vague to you.

can you tell me how to setup corn and why it is needed??

Here is Cron configuration manual: http://docs.oxwall.org/install:cron

Cron is required for multiple features such as members log out, mailing and some plugins work with Cron.

Thanks Micheal..problem solves