Select Get software and drivers, enter your computer model number (located on the computer service label), and then select Find my product. Click the link for your specific computer, select your operating system, and then download the latest.

Type Thunderbolt in the Windows search box and choose Thunderbolt Software from the search results. in the system tray in the lower right corner of your screen. Click Settings and select Details to show the firmware version.

Thunderbolt™ ports connect computers to data, video, and power on a single cable that delivers a fast and consistent experience for work and play. A versatile I/O solution, Thunderbolt™ technology enables a 40 Gb/s connection for data and video at home, in the office, or on the go.

1. In the Windows 10 taskbar type Thunderbolt.
2. In the taskbar right-click the blue and white Lighting bolt Icon and click About.
3. A window named Details will appear. Firmware will be under NVM Firmware Version.

Intel has kept moving Thunderbolt down the tracks and announced Thunderbolt 4 a year ago at CES 2020, and new Thunderbolt 4-equipped PCs based on Intel’s 11th Generation (“Tiger Lake”) Core processors are just now starting to roll out.

1. Shut down your Mac. Unplug Thunderbolt display.
2. Boot back up, with your Mac lid/screen open (with Thunderbolt display still unplugged).
3. Plug in your Thunderbolt display. Run the update/installer. Installer will prompt a restart.
4. Restart.

Since Lenovo T570 has 1 Thunderbolt port, you will need this software in order to use a Thunderbolt device, such as a Thunderbolt storage, external graphics, thunderbolt dock etc (https://thunderbolttechnology.net/tech). Without this software, you won’t be able to use a Thunderbolt device.

If you want to connect your laptop to multiple 4K displays, attach a graphics amplifier, transfer giant files to the fastest external drives or grab RAW video from an expensive camera, you’ll need a Thunderbolt 3 port.

Thunderbolt 4 brings numerous improvements and new features to the table when compared to Thunderbolt 3. Speed. Thunderbolt 4 ports have the same high-speed 40Gbps bandwidth as Thunderbolt™ 3. However, minimum PCIe data requirements have increased from 16Gbps to 32Gbps.

Firmware updates are included in macOS updates. To check for updates on your Mac, choose Apple menu > System Preferences, then click Software Update .

Update Your Firmware The Easy Way

1. Go to the Apple menu in the main menu bar and choose Software Update.
2. A small window opens whilst your Mac checks to see if any software updates are available.
3. The next screen displays any software and firmware updates found.