There you type the command "nano filename"
Select the text in your browser, type ctrl c
Select the putty window again, either use ctrl v or right click on mouse
Now type ctrl x, and Y for save
Now you should have the text, in a file on the pi.
And keep asking questions, until you have the answer that helped you.
Just remember, i am not native english. So some things may sound harser than i meant. And sometimes i will read text, that you didnt write
![Cool 8-)](./images/smilies/icon_cool.gif)