System Update comments

Lenovo System Update is an official utility for Lenovo Windows PCs that helps you find, download, and install the latest drivers, BIOS, firmware

Best for Lenovo

Great help on installing Thinkpads from scratch

System Update 4.0.0024 is the latest version for Windows 7 only.
For Vista & XP, the latest version is 3.14.0024

Alternative downloads

Free

Download popular programs, drivers and latest updates easily.

Add-on to the NVIDIA Control Panel.

Free

Keeps the electronic service tools and it’s supporting data up-to-date.