diff --git a/README.md b/README.md
index 059304c..c248454 100644
--- a/README.md
+++ b/README.md
@@ -57,10 +57,24 @@ make flash
 
 ## Flashing the Project
 
-**On Windows**
+**On Windows(usbtinyisp)**
+
+1. Install the usbtiny driver:
+    1. plug in usbtiny device 
+    2. Intall the drivers from: [adafruit](https://learn.adafruit.com/usbtinyisp/drivers) 
+2. open powershell
+3. navigate to the repo directory *cd Downloads\gf_002*
+4. enter the command below.
+
+```ps1
+./avrdude.exe -p t13 -c usbtiny -B 125kHz -U flash:w:.\pre_built\attiny13_4-8Mhz.hex -U lfuse:w:0x79:m -U hfuse:w:0xFF:m -U lock:w:0xFF:m
+```
+
+
+**On Windows(usbASP)**
 
 1. Install the usbasp driver:
-    1. plug in usbasp device.
+    1. plug in usbasp device 
     2. run the 'zadig-2.8.exe' program
     3. select the libusb 32 on the right by clicking the down arrow to select.
 2. open powershell
@@ -68,11 +82,6 @@ make flash
 4. enter the command below.
 
 ```ps1
-./avrdude.exe -p t13 -c usbasp -B 125kHz -U flash:w:.\pre_built\atiny13_4-8Mhz.hex
+./avrdude.exe -p t13 -c usbasp -B 125kHz -U flash:w:.\pre_built\attiny13_4-8Mhz.hex -U lfuse:w:0x79:m -U hfuse:w:0xFF:m -U lock:w:0xFF:m
 ```
 
-
-
-
-* If you have the powershell execution policy set to allow scripts:
-    * run *flash_atiny13.ps1*