Hello Electra01 and GoodHabit,
Thanks for all.
Working.

So, I write this how I do.

I start ECA desktop wallet.
I sync the wallet.
I go to Settings -> Unlock wallet
I go to Tools-> Debug console
In Console I write first: walletpassphrase "my password for unlock the wallet" 600
Note: I write my password with " "
I hit Enter
After I write: importprivkey "my Private Key" "labelofAddress"
Note: I write my Private Key without " " and the label of adress with "  "
I hit Enter
And after 1 minute all my coins is in my wallet.

Thank you very much guys.

I ask on Discord, Telegram etc and nobody tell me how to do exactly. I leave this here for help who need.

PS
Electra01 go with this project to the moon !
Don't give up !