System version: win 10

There are four steps to add * * * to win 10 without com port. The following are the specific steps for Huawei MateBook X to add win 10com port:

Operation/step

1

Press the shortcut key to click Manager.

Press win and X at the same time, and click the Device Manager option.

2

View Port Number Right-click Properties

Check the port number assigned by the current computer, and use the right mouse button on the device port to enter the "Properties" interface of the device.

three

Click Port Settings, and then click Advanced.

Click Port Settings, and then click Advanced below.

four

Click the port number and then click OK.

Click the port number in the lower left corner, and then click OK.