1.- Unzip the file you will be see 2 folders and 2 files:
    -> autoclaim folder
    -> public folder
    -> autoclaim.sql file
    -> docs.txt file

2.- Create an database and upload the autoclaim.sql file

3.- Go to your file manager and in your root folder upload the autoclaim folder.
Example: /home/YOURUSERNAME/ -> Here you should upload the autoclaim folder.
        -> /home/YOURUSERNAME/autoclaim/

4.- Open the folder an modify the .env.example file:
    APP_NAME=AutoClaim
    APP_URL=http://localhost

    DB_DATABASE=YOUR_DATABASE
    DB_USERNAME=YOUR_USERNAME
    DB_PASSWORD=YOUR_PASSWORD

    MAIL_HOST=smtp.mailgun.org
    MAIL_PORT=587
    MAIL_USERNAME=YOUR_MAIL_SERVER
    MAIL_PASSWORD=YOUR_MAIL_PASSWORD
    MAIL_ENCRYPTION=null
    MAIL_FROM_ADDRESS=YOUR_EMAIL_USERNAME

Rename the file to .env

4.- Now in your public_html folder upload the public/ folder content.

5.- For admin details you can use: 
user: demo@demo.com
pass: demo12345

6.- Create a new cronjob:

Once per day (0 0 * * *):

wget -q -O - https://dominio.com/staking/api/{API_KEY} >/dev/null 2>&1

You can update your Staking CRON API Key on admin panel.