How to copy and paste without using mouse on laptop

How to copy and paste without mouse Please check out my other video 1. How to minimize and maximize without mouse https://youtu.be/KVnBwMqO2_Y 2. How to turn off your laptop without using mouse https://youtu.be/lzrFV_JtUqs 3. How to copy and paste on mobile phone https://youtu.be/3oMqBSoSljM