To Learn CISCO Switch/Router configuration we need to use an emulator called CISCO Packet Tracer if we don't have any physical devices; Also Cisco Packet Tracer allows us to use variety of CISCO Switches & Routers which is pretty impossible for maximum learner to buy those devices and learn physically.

So we'll learn today how to use CISCO Packet Tracer,

1. Create an Account to Netacad.
   -Netacad is a website from CISCO for Learners, Teachers with lots of courses.
   
   
   
2. Click on Login
   -Click on Sign Up
   
   
   
3. After Completing all steps click Register Button & then verify the account by entering into your provided email account.
   

Now We'll Download required Packet Tracer Software & can start using by login into your netacad account.

To successfully install and run Cisco Packet Tracer 8.2, the following system requirements must be met:

1. Cisco Packet Tracer 8.2 (64 bit):
   • Computer with one of the following operating systems: Microsoft Windows 8.1, 10, 11 (64bit), Ubuntu 20.04, 22.04 LTS (64bit) or macOS 10.14 or newer.
   • amd64(x86-64) CPU
   • 4GB of free RAM
   • 1.4 GB of free disk space
     
     
2. Cisco Packet Tracer 8.2 (32 bit):    
   • Computer with one of the following operating systems: Microsoft Windows 8.1, 10, 11 (32bit)
   • x86 compatible CPU
   • 2GB of free RAM
   • 1.4 GB of free disk space

CISCO Packet Tracer download links are given below:

Windows Desktop Version 8.2.1 English

Ubuntu Desktop Version 8.2.1 English

macOS Version 8.2.1 English