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 ## Table of Contents (updating)
 
-- Basic Computer Skills for Digital Forensics (added on June 2021)
-  - [Windows Command Line Tutorial](/Basic_Computer_Skills_for_Forensics/0_Win_command_line_tutorial.pptx)
-  - [Linux Command Line Tutorial](/Basic_Computer_Skills_for_Forensics/1_Linux_command_line_tutorial.pptx)
-  - [Advanced Linux Command Line Tutorial](/Basic_Computer_Skills_for_Forensics/2_Advanced_linux_command_line.pptx)
+- Basic Computer Skills for Digital Forensics (added on August 2021)
+  - [PC Introduction](/Basic_Computer_Skills_for_Forensics/1_PC_Introduction.pptx)
+  - [Windows Command Line Tutorial](/Basic_Computer_Skills_for_Forensics/2_Win_command_line_tutorial.pptx)
+  - [Linux Command Line Tutorial](/Basic_Computer_Skills_for_Forensics/3_Linux_command_line_tutorial.pptx)
+  - [Advanced Linux Command Line Tutorial](/Basic_Computer_Skills_for_Forensics/4_Advanced_linux_command_line.pptx)
+  - [Introduction to Digital Forensics](/Basic_Computer_Skills_for_Forensics/5_Introduction_to_digital_forensics.pptx)
 - Case Study
   - [Investigating P2P Data Leakage](#Investigating-P2P-Data-Leakage) (added on June 2021)
   - [Investigating NIST Data Leakage](#Investigating-NIST-Data-Leakage)