Permanent, Authorized, Global Key, For 1 PC. 

Win 7 Home Premium makes it easy to create a home network and share all of your favorite photos, videos, and music. You can even watch, pause, rewind, and record TV. Get the best entertainment experience with Win 7 Home Premium. 

Features:

* Simple to use

1. Manage lots of open programs, documents, and browser win easily with thumbnail and full-screen previews of open win.

2. Open files and get around your PC faster with the improved taskbar. You can easily pin programs you use often to the taskbar and launch them in just one click. 

3. Open files you use regularly in just two clicks with Jump Lists on the improved taskbar and Start menu.

* Easy to connect

1. Wireless setup - With Win 7, setting up wireless connections is easier with consistent, one-click connections to available networks, whether those networks are based on Wi-Fi, mobile broadband, dial-up, or corporate VPN.

2. HomeGroup - Connect Win 7 PCs on a home network in just four clicks and easily get to the photos, music, and files on each one--even share printers--with HomeGroup.

* Easy to communicate and share

1. Win Live Photo Gallery makes share your photos to your favorite photo site easy.

2. Win Live Mail makes managing multiple email accounts easy.

3. Keep your child safe by managing what sites they can visit and who they can send/receive emails and im communications from.