How to set Russian encoding in Cygwin?

Question

Fonts

Hello!
In Cygwin, all words in languages ​​other than English are displayed

figures

\260\320\320\320\320\320\321\321\321\320\321\320\321
(.администратор)

Full

the code

OpenSSH_8.0p1, OpenSSL 1.1.1c  28 May 2019
debug1: Reading configuration data /etc/ssh_config
debug1: Connecting to localhost [::1] port 22.
debug1: Connection established.
debug1: identity file /home/\320\260\320\264\320\274\320\270\320\275\320\270\321\201\321\202\321\200\320\260\321\202\320\276\321\200/.ssh/id_rsa type 0
debug1: identity file /home/\320\260\320\264\320\274\320\270\320\275\320\270\321\201\321\202\321\200\320\260\321\202\320\276\321\200/.ssh/id_rsa-cert type -1
debug1: identity file /home/\320\260\320\264\320\274\320\270\320\275\320\270\321\201\321\202\321\200\320\260\321\202\320\276\321\200/.ssh/id_dsa type 1
debug1: identity file /home/\320\260\320\264\320\274\320\270\320\275\320\270\321\201\321\202\321\200\320\260\321\202\320\276\321\200/.ssh/id_dsa-cert type -1
debug1: identity file /home/\320\260\320\264\320\274\320\270\320\275\320\270\321\201\321\202\321\200\320\260\321\202\320\276\321\200/.ssh/id_ecdsa type 2
debug1: identity file /home/\320\260\320\264\320\274\320\270\320\275\320\270\321\201\321\202\321\200\320\260\321\202\320\276\321\200/.ssh/id_ecdsa-cert type -1
debug1: identity file /home/\320\260\320\264\320\274\320\270\320\275\320\270\321\201\321\202\321\200\320\260\321\202\320\276\321\200/.ssh/id_ed25519 type -1
debug1: identity file /home/\320\260\320\264\320\274\320\270\320\275\320\270\321\201\321\202\321\200\320\260\321\202\320\276\321\200/.ssh/id_ed25519-cert type -1
debug1: identity file /home/\320\260\320\264\320\274\320\270\320\275\320\270\321\201\321\202\321\200\320\260\321\202\320\276\321\200/.ssh/id_xmss type -1
debug1: identity file /home/\320\260\320\264\320\274\320\270\320\275\320\270\321\201\321\202\321\200\320\260\321\202\320\276\321\200/.ssh/id_xmss-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_8.0
debug1: Remote protocol version 2.0, remote software version OpenSSH_8.0
debug1: match: OpenSSH_8.0 pat OpenSSH* compat 0x04000000
debug1: Authenticating to localhost:22 as '\320\260\320\264\320\274\320\270\320\275\320\270\321\201\321\202\321\200\320\260\321\202\320\276\321\200'
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: algorithm: curve25519-sha256
debug1: kex: host key algorithm: rsa-sha2-512
debug1: kex: server->client cipher: [email protected] MAC: <implicit> compression: none
debug1: kex: client->server cipher: [email protected] MAC: <implicit> compression: none
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug1: Server host key: ssh-rsa SHA256:tW5azbqBEaRhaizAAA/TKrLhQhQmVnXkv1KI11r304A
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
Someone could be eavesdropping on you right now (man-in-the-middle attack)!
It is also possible that a host key has just been changed.
The fingerprint for the RSA key sent by the remote host is
SHA256:tW5azbqBEaRhaizAAA/TKrLhQhQmVnXkv1KI11r304A.
Please contact your system administrator.
Add correct host key in /home/\320\260\320\264\320\274\320\270\320\275\320\270\321\201\321\202\321\200\320\260\321\202\320\276\321\200/.ssh/known_hosts to get rid of this message.
Offending RSA key in /home/\320\260\320\264\320\274\320\270\320\275\320\270\321\201\321\202\321\200\320\260\321\202\320\276\321\200/.ssh/known_hosts:1
RSA host key for localhost has changed and you have requested strict checking.
Host key verification failed.

What to do and how to install Russian, German and Chinese languages ​​​​and how to put normal fonts?!!!
+ SSH server doesn't work because of these errors, how to fix it?!
Help me please!
Thanks in advance for your reply!!!