Step 1: Log into your hosting space via an FTP software like File Zilla.
Step 2: Unzip the appliances-vx.x.zip file and use only the extracted Appliances theme folder
Step 3: Upload the extracted appliances theme folder onto wp-content > themes folder.
Step 4: Activate the newly installed Appliances by going to Appearance > Themes, find appliances and click on “Activate”button