If the SerialSkipExternalNaming entry value does not exist, or its value is zero, Serial creates a COM port device interface otherwise, Serial does not create a COM port interface. Serial does not support this entry value for a legacy COM port and always creates a COM port device interface for a legacy COM port. Serial performs the following tasks to create a COM port device interface:Ĭreates a symbolic link between \DosDevices\ and the internal device object name for a COM port. is the value of the PortName (or Identifier) entry value for the COM port. The Ports class installer sets PortName to COM, where is a COM port number that the installer obtains from the COM port database. Serial uses this name to create a symbolic link to the port. There is no limit to the number of COM ports that Windows supports. User-mode clients use the symbolic link name to open a COM port. Writes an entry value under the \Registry\Machine\Hardware\DeviceMap\SERIALCOMM key. The name of the entry value is \Device\Serial, where is a number assigned to the device by Serial. Note that the serial device number is the not the same as a COM port number. (You'll also want to have a USB thumb drive on hand to transfer the file.The value of \Device\Serial is set to the value of PortName. To that end, you will need a secondary PC to access and download the files, so be sure you can access everything from another computer in your home or you have a friend's machine that you can use temporarily. To be clear, purchases like this are generally intended for advanced users - those who are building a new computer or who want to dual-boot an existing computer with a second OS. The activation key that's provided following your purchase can be used to install and activate Windows 11 Pro on three computers. Additionally, the listing says that if you have a PC that's already running Windows 10, and Windows Update doesn't let you install the free Windows 11 upgrade, your computer won't be compatible with this version either. This is a great price, but it's important to note that not every computer out there is able to run Windows 11, so before you buy it, you're going to want to ensure that your computer will meet the requirements for the operating system.
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