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Putty is one of the most popular Windows SSH Clients and your keys can be setup using puttyGen. However, Putty also has not been updated in years and I've found the generated keys to be problematic (for example will not work on my Mac). Instead, I recommend BitVise SSH Client Tunnelier for the key generation.
For console work, I still use Putty (actually Kitty) for normal console work, but still keep BitVise for its superior interface for file uploads and port tunnelling.
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