1·Create an empty file on your desktop with a simple text-editor, such as Windows’s Notepad (not Word!) or OS X’s TextEdit.
2·Save the file as htaccess.txt, in a folder where you can easily find it. If possible, save it as an purely ASCII or ANSI file.
3·Upload it to your server using an FTP client, such as FileZilla. Put the file at the root of your shop’s directory.
4·Change its permissions to read and write everyone (CHMOD 666 in Unix), with your FTP client for instance.
5·Go to the PrestaShop back-office, and under the Preferences tab and “SEO & URLs” sub-tab, enable “Friendly URL” (bottom of the page).
6·Go to the “Tools” tab, then the “Generators” sub-tab, and click the “Generate the .htaccess file” button.
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