arduino port enable

How to enable com port for Arduino board -step by step

right click on the "THIS PC" or "MY COMPUTER", then click Mange

it open a new window,  In that select Device Manager and find the port of the board, 

(connect the Arduino board and disconnect it, you can find the board)  

Then double click the port 

Then select the driver and click Update driver

then click "Browse my computer for driver software" 

then browser the Arduino driver folder

after browse the folder then click next

it start installing wait for a few minutes

now click install and wait  

now the drive will be installed. now close it 

now it shows the port of the board .

Youtube tutorial