Device Manager
You could use Windows Update to update your drivers and other essential updates that are needed for Windows. Alternatively, you could go on the manufacturers website and download a driver update from the downloads section.
Windows update or manufacturers website is always a winner.
Windows update will update them automatically
dEVICE MGR
Is there a specific piece of hardware you need an update for? All the drivers for your computer will be on the support page of the manufacturers website for free. Or on the website of the the individual piece of hardware be it the motherboard, sound card, video card etc.
You would use Device Manager and then "update driver" under the Display Device.
Yes, device manager be used to update the drivers for a device. It can also be used to disable/enable use of a device or uninstall its drivers from a computer.
Updating your drivers offline would require that you had an update version of the driver already. You would then either run the installer that came with the driver, or use the "Update driver" feature in the Device Manager and then selecting the "Have disk" option and locating the drivers manually.
Check the manufacturers website for updated drivers. They are usually located under a 'Support' or 'Downloads' section.
Use Windows Update. You may need to set Windows Update to automatically download and install recommended updates. Install the software from the equipment manufacturer. For example, if the device with the disc, the disc may contain device drivers for installed software. To download and update drivers. Use this method can be installed from the manufacturer's Web site to download drivers. If Windows Update can not find the device driver and the device is not installed with the driver software, then do this. Windows 7 Compatibility Center website lists thousands of devices can be directly through the link to download the driver. Wish it work for you!
Device Manager
Try this way as following. Use Windows Update. You may need to set Windows Update to automatically download and install recommended updates. Install the software from the equipment manufacturer. For example, if the device with the disc, the disc may contain device drivers for installed software. To download and update drivers. Use this method can be installed from the manufacturer's Web site to download drivers. If Windows Update can not find the device driver and the device is not installed with the driver software, then do this. Windows 7 Compatibility Center website lists thousands of devices can be directly through the link to download the driver.