This is the first multi-platform release.
There might be bugs, please share them in issues or join discord : https://discord.gg/uvHQrnM
Java is not included in the installer, you must have Java 8 installed.
here is some command line tested in debian/ubuntu to install it :
sudo add-apt-repository ppa:webupd8team/java
sudo apt update; sudo apt install oracle-java8-installer
sudo apt install oracle-java8-set-default
md5sums
0802306e1c78cb65de5635bfe6f7d447 *xel-lite-wallet_macos_3_1_3-r1.dmg
81acb78226af38157b72329b23eb7622 *xel-lite-wallet_unix_3_1_3-r1.sh
5065153ea042a4a01fbde48560788a32 *xel-lite-wallet_windows-x64_3_1_3-r1.exe