Hotspot Shield:
Complete Wi-Fi security at public hotspots, hotels, airports, and corporate offices. Hotspot Shield VPN is the ultimate Internet security solution that secures your browsing session, detects and blocks malware, protects your privacy and allows you to access blocked sites. Hotspot Shield is available both as a free VPN and a paid Hotspot Shield Elite subscription.

Hotspot Shield About:
Secure your web session, data, online shopping, and personal information online with HTTPS encryption.
Protect yourself from identity theft online.

Hide your IP address for your privacy online.
Access all content privately without censorship; bypass firewalls.

Hotspot Shield runs on:

Windows XP, Windows Vista, Windows 7, Windows 8
Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion
Android 2.x and 4.x
It will automatically update itself. No need to download or install new versions.