How can you install ssh on windows?
Follow this step-by-step how to:
How to install a ssh client (called ssh, from OpenSSH)
(1) Create a folder c:\cygwin
(2) 
Download cygwin’s setup.exe from http://www.cygwin.com/ and save setup.exe in c:\cygwin
Click Start…Run…and type c:\cygwin\setup.exe
When it asks for “Local Package Directory”, type c:\cygwin
When a selection screen comes up, you can resize the windows to see better,
click the little View button for “Full” view 
,
find the package “openssh”, click on the word “skip” so that an 
appears in Column B,
see this illustration.
Click 
to start installing cygwin and ssh.
Size of the basic cygwin system is about 40 Meg, this may take a while if you have a slow connection.
Take a coffee break. 
(3) Right click My Computer, Properties, Advanced, Environment Variables
See this illustration (red dots)
Click the “New” 
button to add a new entry to system variables:
variable name is CYGWIN
variable value is ntsec or tty ntsec
(4) Right click My Computer, Properties, Advanced, Environment Variables
See this illustration (green dots)
Select the Path variable and click the “Edit” 
button:
append ;c:\cygwin\bin to the end of the existing variable string.
(5) Double click the icon, a black screen will pop up.
Optional: type
ssh-user-config this will create private and public key for the user.
You can also use putty (an excellent freeware 
ssh client).
Just download and run putty.exe from http://www.chiark.greenend.org.uk/~sgtatham/putty/
Source: http://pigtail.net/LRP/printsrv/cygwin-ssh.html