After rebooting the server you can start configuring the server by pressing F2 as you see in below picture in the bottom left corner.
You are prompted for your username and password to login. Type the “root” as username and the password that you have assigned during installation process.
Press Enter to login to system customization.
Select Configure Management Network and press Enter.
Select IP Configuration and select Set static IP address and network configuration.
Assign IP Address, Subnet Mask and Default Gateway to the network adapter and press Enter.
Select DNS Configuration and assign Primary DNS Server and Alternate DNS Server (as shown in Figure.5) and press Enter.
Press Esc button and press Y to apply the changes.
Now our server is ready. You can download the VMware vSphere Client by browsing your ESXi Server ip address and clicking on the Download vSphere Client link.
Download and install VMware vSphere on your computer. Run the vSphere Client Program and type the username and password that you have assigned during installation process.
After clicking the Login button you will see a certificate warning. Click on Install this certificate and do not display any security warnings for <Your IP> and select Ignore.
After logging in, you will see an evaluation notice you can click on to assign a license to the ESXi host in order to browse the VMware website. Register on the website to obtain a license key.
Take not that Vmware Hyperadvisor is free
Install VMware License Key
To install the VMware License Key that you obtained from the website, click on Configuration-> Licensend Features -> Edit ->Assign a new License -> Add License Key and specify your key in the textbox. Press OK to finalise the process.