help me install errer

[hard]

SYSTEM AND PERMISSIONS
The following settings are required. Please make sure the following checklist items are true.

If you have any questions, please visit our Documentation Wiki and/or Community Forum.
PHP settings (modify via your PHP admin software):
PHP 5.0 or later is installed
Allowed to upload files
Allowed to create new files and folders
GD Library is installed
MySQL support is on
Write permissions on files and folders:
prestashop/config
prestashop/tools/smarty/compile
prestashop/sitemap.xml
Write permissions on folders and subfolders/recursively:
prestashop/img
prestashop/mails
prestashop/modules
prestashop/themes/prestashop/lang
prestashop/translations
prestashop/upload
prestashop/download
Optional set-up

PHP settings (modify via your PHP admin software):
Allowed to open external URLs
PHP register global option is off (recommended)
GZIP compression is on (recommended)