Download https://litecoinz.info/downloads/litecoinz-1014-win64.zip and unzip where you want ex: c:\litecoinz create folder in appdata LitecoinZParams and litecoinz create a litecoinz.conf in litecoinz folder with those parameters :
download sprout and unzip them in litecoinZparams folder https://litecoinz.info/downloads/sprout.zip Then you can start wallet with litecoinzd.exe file wait close it and reopen it and it will download block