To download PuTTY, click the following link: 
http://the.earth.li/~sgtatham/putty/latest/x86/putty.exe
Once it finishes downloading (it shouldn't take long), congratulations! 
You have now installed PuTTY. It doesn't actually have to install -- you 
can just run the executable. Do so. If Windows asks you if you trust 
PuTTY, say yes. You trust PuTTY. A window will open called "PuTTY 
Configuration". For the host name, type: remote.tjhsst.edu and then go 
to the option on the left under "Terminal" labeled "Features". Choose 
"Disable application keypad mode". If you don't, your number pad will do 
strange, strange things. If you don't want to set these options every 
time, type a name in the bar under "Saved Sessions" (under the "Session" 
menu on the left) and click Save. Next time you open PuTTY, double-click 
the session from the box and it'll automatically use the settings.

When you're done setting options, hit "Open". The first time you try to 
log into remote it will give you a message about keys and trust and 
stuff. Hit yes. Nothing bad will happen, I promise you. Later on in the 
year we're going to cover what that message actually means. I'll give 
you a hint right now and say it has something to do with public-private 
key encryption.

You should be logged into TJ now. You'll be asked for your username and 
password and there will be a message about monitoring and logging. Your 
password will not show up when you type it--this is normal. Type it 
anyways. You should then see your prompt and you will be able to type 
commands.