1 - Upload the Files.zip to your directory and extract it to merge the files

2 - Go to PhpMyAdmin and import the database files from Database/

3 - Add those parameters to Application/.en

GOOGLE_CLIENT_ID=
GOOGLE_CLIENT_SECRET=

MICROSOFT_CLIENT_ID=
MICROSOFT_CLIENT_SECRET=

VKONTAKTE_CLIENT_ID=
VKONTAKTE_CLIENT_SECRET=