After downloading PuTTY, remember to check whether the file is infected by a virus or not with your anti-virus software.
PuTTY requires no special installation, it is only a single file; double-click it.
The screenshot above shows the startup window for PuTTY. To help you navigate, we have colored what you need to focus on:
If you have completed these tasks successfully, and clicked once on "Viking MUD" in the box to the left of the "Load", "Save" and "Delete" buttons, then your PuTTY window should look like this:
Double-click "Viking MUD" in the select box to the left of the "Load", "Save" and "Delete" buttons.