To download, install, and test Secure Shell, perform the following steps on your Windows PC.
1) Copy the Putty secure shell installer to your Windows PC, as follows:
Download the Putty installer executable (putty-0.66-installer.exe). Save it to your desktop.
2) Install Putty.
To install software on your PC, you must be logged in as a user who has administrator rights, so log out of Windows and log back in as Administrator, if necessary. Then install Putty, as follows:
Double-click on the downloaded Putty installer exe file on your desktop. Click OK to accept all of the defaults if you are prompted.
No reboot is required.