Update esp32-upload.md

Added how to find esptool.py after it is installed on Windows so that one may add it to their path environment variable.

Author: RaisingAwesome

content/hardware/02.hero/boards/uno-r4-wifi/tutorials/esp32-upload/esp32-upload.md

@@ -52,7 +52,7 @@ Once the chip is set to the right mode we use esptool to flash custom firmware t
 pip3 install esptool
 ```
 
-Next, `esptool.py` should be added to your **PATH** so you can run it from anywhere, instead of navigating to the installation folder each time. The PATH variable allows you to run commands and programs from any location on your computer without having to specify the full path to the executable file. This is done differently depending on your operating system, you can read more about it [here](https://learn.sparkfun.com/tutorials/configuring-the-path-system-variable/all). 
+Next, `esptool.py` should be added to your **PATH** so you can run it from anywhere, instead of navigating to the installation folder each time. The PATH variable allows you to run commands and programs from any location on your computer without having to specify the full path to the executable file. This is done differently depending on your operating system, you can read more about it [here](https://learn.sparkfun.com/tutorials/configuring-the-path-system-variable/all). To locate where `esptool.py` installed on your Windows computer, click the Windows Start icon and type its name in the search.
 
 Flashing a new firmware is done in two steps, first erasing the firmware currently on the module and then flashing the new one. Once everything is set up it's just a matter of running the following two commands:
 
@@ -70,4 +70,4 @@ esptool.py --chip esp32s3 --port <your port> write_flash -z 0 <yourCustomFirmwar
 
 ## Restore Default Firmware
 
-To restore the default firmware on the ESP32 check out [Update the connectivity module firmware on UNO R4 WiFi](https://support.arduino.cc/hc/en-us/articles/9670986058780-Update-the-connectivity-module-firmware-on-UNO-R4-WiFi#espflash).
+To restore the default firmware on the ESP32 check out [Update the connectivity module firmware on UNO R4 WiFi](https://support.arduino.cc/hc/en-us/articles/9670986058780-Update-the-connectivity-module-firmware-on-UNO-R4-WiFi#espflash).