What are cookies?
Cookies are text files with small pieces of data like a username, email, and password that are used to identify your logins as you use a computer network. Cookies are used to identify specific users and improve your web browsing experience.
Data in a cookie is created by the server upon your connection with any web address. This data is labeled with a unique ID.
When the cookie is exchanged between your computer and the network server, the server reads the unique ID and knows what information to serve to you.
For more in-depth knowledge of the cookies - click here
How to use the cookies?
1. FOR DESKTOP
Step 1 - You have to download an extension named cookie editor
Step 2 - First Open the site whose cookie you have and then.
Step 3 - Open the cookie editor and Click on Delete all. After that click on Import and Paste the cookies there. (As shown in the pic given below)
Step 4- Refresh the site. If you are unable to login through cookies it means cookies were expired.
2. FOR MOBILE PHONES
Video link -
NOTE - This Video is not made by me