How to install backup data

[PeterPeter]

Hello
in my dump folder I have many files and the folder domains:

/var/lib/psa/dumps

domains

backup_info_1407180225.xml
backup_keyXXDmA12N.key_1407180225.tgz
backup_sb_server_1407180225.tgz
backup_skel_1407180225.tgz
mysql.daily.dump.0.gz
mysql.plesk.core.prerm.12.0.18.20140803-135646.dump.gz
mysql.preupgrade.11.0.9-11.5.30.20131212-205924.dump.gz
mysql.preupgrade.apsc.11.5.30-12.0.18.20140718-141543.dump.gz

What must I do with this files in which order to install the complete system on an new server?

Thanks.