Curl

use the following one highlighted with red color for Windows:

Win32 - Generic
Win32	7.30.0	binary			Dirk Paehl
Win32	7.30.0	binary	SSL	SSH	Dirk Paehl
Win32 2000/XP	7.31.0	binary	SSL		Günter Knauf	2.01 MB
Win32 2000/XP	7.31.0	binary	SSL	SSH	Günter Knauf	2.39 MB
Win32 2000/XP	7.31.0	libcurl	SSL		Günter Knauf	3.32 MB

Also need download openssl

Platform	Version	URL
Windows	various	shininglightpro.com

The followin version can be used.

Win32 OpenSSL v1.0.1e

16MB Installer

Installs Win32 OpenSSL v1.0.1e (Recommended for software developers by the creators of OpenSSL). Note that this is a default build of OpenSSL and is subject to local and state laws. More information can be found in the legal agreement of the installation.

if we need proxy, e.g. use it in office. here is the parameters to use:

curl -x proxy[:port ] -I www.baidu.com