Use FTP client software (FileZilla, SmartFTP, CuteFTP, etc...) to upload the theme or the plugins to your server.
a, Re-download the theme package from https://themeforest.net/downloads b, Click on the link "All files & documentation" like bellow the image:
c, Extract the package ( .ZIP file ), you will see folders and files like
d, Open the file: Changelog/readme.rtf to know which plugins were updated.
Unzip egovt.zip then, upload and override egovt folder to wp-content/themes/ folder in your server
You will see the latest plugins in Plugins Folder, unzip .ZIP file, then upload and override to wp-content/plugins/ folder in your server
