Once you have downloaded your new driver, you'll need to install it. It is a software utility which automatically finds and downloads the right driver. Tech Tip: If you are having trouble deciding which is the right driver, try the Driver Update Utility for SII Smart Label Printer 450. In the results, choose the best match for your PC and operating system. Enter SII Smart Label Printer 450 into the search box above and then submit. If the driver listed is not the right version or operating system, search our driver archive for the correct version. After you complete your download, move on to Step 2. To get the Smart Label Printer 450 driver, click the green download button above. How to Update Smart Label Printer 450 Device Drivers Quickly & Easily Step 1 - Download Your Driver