Today i found text file ony my external hdd and there is seed. But the thing is it has 20 words. Normal seed should have only 12 words I think...
Different seed phrases can have different lengths.
What you need to do, is recover your wallet with the same service you used to create it. Once you've done that, you'll have to wait for
fees to drop 90% or more. Your address is filled with dust, at current fees you can't send anything.