06.09.2015 3465
Should you get a blank page after uploading all files to your server and calling the installation wizard, something went obviously wrong but php error output is disabled by your host.
Please refer to your server error log file to determine what went wrong.
Here are few important imformation, please make sure everything is available and set correctly:
https://jakweb.ch/faq/a/18/what-do-i-need-to-run-cms
https://jakweb.ch/faq/a/67/installation-first-step
https://jakweb.ch/faq/a/89/helpdesk-folder-and-file-permission
All our FAQ articles will help you even if they are not for the product you try to install.