Plug your modem or phone into your computer via a USB cable.

: If a program is actively holding the file, click Kill Process or Unlock All to force release the lock. Unlock Locked Files With Unlocker

Extract the ZIP file and run the executable. Note that many antivirus programs may flag such tools as "Potentially Unwanted Programs" (PUPs), so you may need to add an exception. :

: Right-click the locked file or folder in Windows Explorer and select Unlocker .

Obtain the client from the Official DC-Unlocker Forum or their primary site.