in the list of peers there are only 2 addresses. This is normal?
And what does it mean "Multisend: not active"?
You see only 2 peers because your router or firewall blocks incoming connections, as does that of most others. You should see more than 20 if not.
Most home routers have NAT that by default blocks incoming connections initiated by someone else than you. You can usually fix that and start allowing incoming connections with one of two ways:
A) Launch Bitcoin 2 Core, go to Settings - Options. Go to Network. Enable: "Map port using UPnP". Then restart the app. You may also want to read this article:
https://dirkmittler.homeip.net/blog/archives/3340B) Or follow the guide at:
https://bitcoin.org/en/full-node#enabling-connections - the steps are exactly the same for Bitcoin 2.
Multisend is an advanced, special purpose feature which is better left not active unless you know the wallet inside and out and have a reason to send the block or masternode rewards to some address as soon as you get them.
Nothing changes. Only 2 peers. Maybe I should make a backup of my wallet. How to do it right?