How to download/setup SFTP
Go to browser, any browser
Then search for FileZilla
Open the FilzeZilla website < click to download
Then Download FileZilla Client
Select edition FileZilla only
After you download
Run the FileZilla setup.exe to install the client
Click I agree
Then decline if showing for optional offer of avast, you don't need it, and next
Then select Only for me, and next
Check also for Desktop Icon, and next,
And next
Then Install
Then Finish
You now have a FileZilla Client