Have you checked that this is the real ElectrumSV web site?
Will you verify that the file you download from this web site has not been altered or replaced by a hacker?
Various external references are given below. Work out how many you need to check
to confirm for yourself that this is the real web site for ElectrumSV.
The best place to find out how to verify your downloaded file yourself
is to follow the instructions in the verification guide
on our official documentation web site.
Experienced users who know what to do with them can get the SHA256 hashes
for the files we make available to download, from our
ElectrumSV git repository.