Couch Mouse M515
Illuminated Living-Room Keyboard K830
Logitech Cube
Logitech Unifying
Logitech Wireless Wave Combo MK550
Marathon Mouse M705
Mouse M525-C
Windows 11, Windows 10, Windows 10 (64 bit), Windows 8, Windows 8 (64 bit), Windows 7, Windows 7 (64 bit), Windows Vista, Windows Vista (64 bit), Windows XP, Windows XP (64 bit)
unifying250.exe (4.1 MB)
2.50.25 (7-Apr-2014)
Logitech Unifying Utility File
siddhik (DG Staff Member) on 10-Dec-2016
To get the Couch Mouse M515 driver, click the green download button above. After you complete your download, move on to Step 2.
If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Logitech Couch Mouse M515 into the search box above and then submit. In the results, choose the best match for your PC and operating system.
Tech Tip: If you are having trouble deciding which is the right driver, try the Logitech Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.
To find the newest driver, you may need to visit the Logitech website. Most major device manufacturers update their drivers regularly.
To install your new driver on Windows:
Right-click the Start button.
Click "Device Manager">
Find your device in the list.
Right-click the device and select "Update driver"
Follow the steps on screen.
Restart your computer when done.
This keeps your computer working at its best.
Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.
For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.