For someone who is looking for exact format of commands for unattended LF Server and Client Installations through CMD (or create a .bat files to run commands)
Server:
"D:\Install\setup.exe" -silent -log "C:\Logs\ServerInstall" INSTALLLEVEL=150 LICENSEPATH="E:\lf.licx"
LFSSVCACCOUNTNAME="Domain\SRVUser" LFSSVCACCOUNTPASSWORD="Password" LFFTSSVCACCOUNTNAME="Domain\SRVUser" LFFTSSVCACCOUNTPASSWORD="Password"
Client + Administrative Tools:
"D:\Install\Client\setup.exe" -noui -iacceptlicenseagreement -log "C:\Logs\ClientInstall" INSTALLLEVEL=500 LANGPACK="en"
Client Only:
"D:\Install\Client\setup.exe" -noui -iacceptlicenseagreement -log "C:\Logs\ClientInstall" INSTALLLEVEL=200 LANGPACK="en"