Download H-Code files from your ThemeForest account, go to Downloads tab on ThemeForest and find H-Code. Click on Download button, Main Files contain everything and Installable WordPress file only is just the installable WordPress theme file. Below is full list that are included in downloaded Main Files.
H-Code Theme Folder – It contains the h-code.zip and h-code-child.zip WordPress theme. The child theme is only for users who make code changes in H-Code theme.