The easyest way to manage your gpg keys is from command line:
gpg --gen-keygpg -kgpg -Kgpg --import keyfile.ascgpg --sign-key E4758D1D -> where E4758D1D is an example keyIDgpg -a --export E4758D1D > keyfileE4758D1D.asc -> where E4758D1D is an example keyID