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I'm reading tutorials on working with bitcoin core like this:
- http://bitcoindaily.org/bitcoin-guides/bitcoin-core-tutorial/ and
- http://bitcoindaily.org/bitcoin-guides/how-to-recover-bitcoins-bitcoin-core-wont-sync-export-private-key/
Both of which suggest the use of bitcoin core should produce a wallet address of some kind automatically. Specifically, the second says:
Bitcoin core automatically generates your first bitcoin address for you but you can create as many new ones as you want.
I can't seem to get a wallet address to get started.
Where there is supposed to be a wallet address there is none, and I am asked to enter one, but how do I get one in the first place?
Here is what I see:
There is no address, and I can't just guess one---anything I type in the Address box says it is invalid.

1You need to click on receive to create an address to receive coins on. The send tab is for sending to others. – Pieter Wuille – 2019-06-14T03:34:58.170