Step 1 : Log into your Hosting server space using any FTP software (applications like FileZilla) at first.
Step 2 : Extract the “themeforest-theme-wordpress-theme.zip” (inside “theme.zip”) file as you’ve downloaded.
Step 3 : Upload that extracted folder into your “wp-content / themes” directory.
Step 4 : Once if the theme is uploaded and installed, you need to activate it from Appearance > Themes then.
Step 5 : Then you will get a notification message to activate the required & recommended plugins: DesignThemes Core Features Plugin, Kirki Toolkit, Reservation Plugin, Unyson and Visual Composer.
We have mentioned “themes” it refers to the theme name (spalab, lms, kalvi, onlife, dreamspa etc) and also We have mentioned “theme.zip” it refers to the theme name (lms.zip, kalvi.zip, spalab.zip, onlife.zip, dreamspa.zip etc)