Don't run windows, but here is linux
$ gpg --keyserver pgp.mit.edu --search-keys 0x2BD5824B7F9470E6
gpg: searching for "0x2BD5824B7F9470E6" from hkp server pgp.mit.edu
(1) ThomasV <
[email protected]>
Thomas Voegtlin <
[email protected]>
Thomas Voegtlin (
https://electrum.org) <
[email protected]>
4096 bit RSA key 7F9470E6, created: 2011-06-15
Keys 1-1 of 1 for "0x2BD5824B7F9470E6". Enter number(s), N)ext, or Q)uit > 1
gpg: requesting key 7F9470E6 from hkp server pgp.mit.edu
gpg: key 7F9470E6: public key "Thomas Voegtlin (
https://electrum.org) <
[email protected]>" imported
gpg: no ultimately trusted keys found
gpg: Total number processed: 1
gpg: imported: 1 (RSA: 1)
$ gpg --verify electrum-3.0.5.exe.asc electrum-3.0.5.exegpg: Signature made Mon 08 Jan 2018 00:14:38 GMT using RSA key ID 7F9470E6
gpg: Good signature from "Thomas Voegtlin (
https://electrum.org) <
[email protected]>"
gpg: aka "ThomasV <
[email protected]>"
gpg: aka "Thomas Voegtlin <
[email protected]>"
gpg: WARNING: This key is not certified with a trusted signature!
gpg: There is no indication that the signature belongs to the owner.
Primary key fingerprint: 6694 D8DE 7BE8 EE56 31BE D950 2BD5 824B 7F94 70E6