Follow this guide.
Download Electrum and verify the signature to prove it was not modified in transit. Create a new Standard Wallet and choose "Create a new seed". Electrum will give you a seed phrase which you should write down on paper.
If using Bitcoin-Qt, click Window -> Console.
If your wallet is encrypted, use this command to decrypt it for ...
The transaction has been cleared on the blockchain
How did you know that? Did you query the corresponding transaction on an online blockchain explorer?
If you are happy to trust third party services (like the online blockchain explorer you had used), then generally speaking, (you believed that) you have already received these bitcoins.
You just have not ...
The wallet itself is still downloading the block and is 3 years and 29 months behind. Does this mean I must wait until this finishes before it shows up?
Yes, in order to understand the current state of the network (which includes the transaction that you received funds in), your node will need to work through the blockchain history. Otherwise, your node ...
Take a look at the lower right corner of your "Bitcoin Core - Wallet" window where you see icons of BTC, a lock icon, HD, and two more to the right. The icon on the right to the HD shows how many nodes you are connected to. And, it seems like your node is not connected to any peers.
There might be two causes of this:
Your node is not connected to the ...