First of all, you need to know what Windows setup liting/slimming means? And what are their benefits? The answer is:

• Liting is to remove/disable useless, superfluous or cumbersome Windows features
• After liting, you will be able to install Windows 10 onto old PC with much lower hardware configuration. More important is - they run much faster than before

This is the Universal Extractor (UniExtract for short) multilingual (34 languages) unofficial repacked (MOD) version made by Gora from Russia (OSzone forum). Its most important function is supporting auto-updating (also includes frequent program improvements). And the official version has stopped updating for a long time.