Downloading wordpress zip file from wordpress.org to your PC then uploading it via ftp or sftp is the neanderthalic way to do it. It’s time consuming and more steps than it should be. If you are going the hard route you could also copy wordpress codes by hand letter for letter you might even earn 3 karmas on reddit for that.
Doing it through terminal is easy on ubuntu/debian or non-debian like centos. Just open terminal or shell prompt. Go to your desired target directory where you want to install wordpress and issue the following commands
wget http://wordpress.org/latest.tar.gz && tar xfz latest.tar.gz
Now you download and untarred wordpress into a directory called wordpress.
If you want to install wordpress in a subdirectory. just rename it
mv wordpress yet_another_failed_blog
if you want to install it to root/current dir, mv everything from inside wordpress path
mv wordpress/* ./
then delete unnecessary files
rm -rf wordpress latest.tar.gz
Proceed with installation using your browser by navigating to your site. Be prepared to have your database name, database user and password ready.
Have a fun word pressing.