Insert Themes to wordpress


I have a Question, I have buyed Theme for Wordpress from Themeforest and i have this downloaded in Zip file 21 mb and i make a free account hosting with 000webhost. I installed wordpress on my account here, and when i will upload my buyed wordpress site then i have the Message

Request Entity Too Large

The requested resource
does not allow request data with POST requests, or the amount of data provided in the request exceeds the capacity limit.

Additionally, a 403 Forbidden error was encountered while trying to use an ErrorDocument to handle the request.

please help mee

Upload the file via FTP to wp-content and extract it into themes or upgrade to premium to allow larger uploads in the browser.