How to copy and paste text

How to do it with a mouse

① First, place the cursor on the text → Left -click ( hold down) and move it down or to the right, it will turn blue, so dye it to the part you want to copy → Right -click with the cursor on the blue part → Click Copy (C)

② Move the cursor to the place you want to paste → Right click → Paste (P)

This is a very difficult operation for a computer beginner, so it is important for an expert to gently teach them. Once you get used to it, it's no problem.