ZClient is main file of this emu, without it nothing will work.
0. Disable antivirus.
1. Download
ZClient to any folder. If chrome - go to all downloads and force to download.
2. Run ZClient, click yes to install certificate, it will be only on first run.
3. ZClient can autoupdate itself.
4. If all ok - you will see "Auth success as.."
Done.