thanks a lot. I met this with step 4. please see attachedSure
1. Create a domain
2. Upload the files you can download here : https://nextcloud.com/install/#instructions-server
3. Upload everything to your ftp
4. Follow the installation guide:
Many thanks, works well!Easy way:
1. download this file : https://download.nextcloud.com/server/installer/setup-nextcloud.php
2. upload it to your public_html
3. start the setup: yourdomain.com/setup-nextcloud.php
4. follow screen instructions
5. have fun