I need help setting up my Arduino Uno with the port I'm using a Windows computer, and if I recall correctly I installed the IDE using the installer, so I probably don't need to manually install the drivers. However, I can't figure out how to set up the serial port with the Arduino. For me under Tools, there's no "Serial Port" option but instead "Serial Monitor" and "Serial Plotter."

When I tried to upload my file, it failed. When I clicked Serial Plotter, it gave this error message: 

Arduino: 1.8.4 (Windows 8.1), Board: "Arduino/Genuino Uno"

Sketch uses 940 bytes (2%) of program storage space. Maximum is 32256 bytes.
Global variables use 9 bytes (0%) of dynamic memory, leaving 2039 bytes for
local variables. Maximum is 2048 bytes.
avrdude: ser_open(): can't open device "\\.\COM1": 
The system cannot find the file specified.

Problem uploading to board.  
See http://www.arduino.cc/en/Guide/Troubleshooting#upload for suggestions.
Board at COM1 is not available

This report would have more information with 
"Show verbose output during compilation"
option enabled in File -&gt; Preferences.


How am I supposed to resolve this?
I figured it out by following the tutorial by Adafruit. I had to install it manually in order for it to work.