In this version, you can change the keyboard input method (e.g., typing in Spanish) but you cannot change the UI (system menus, settings) from the initial language (e.g., changing from Spanish to English).

The official Microsoft Media Creation Tool creates a unified ISO that often includes Home, Pro, and Home Single Language. Go to the official Microsoft Software Download page . Select "Download tool now" and run it.

If a user needs a different display language, they must upgrade to full Windows 10 Home or Pro, often involving a cost through the Microsoft Store. How to Download Windows 10 Home Single Language

SL is almost always an OEM license tied to the specific hardware. Crucial Steps After Download Home single language different from home? : r/Windows10

"Windows 10 Home Single Language" (SL) is a specific, locked edition of Microsoft’s operating system designed for affordability, commonly pre-installed on budget-friendly laptops. While it functions identically to standard Windows 10 Home, it is restricted to one display language, and users cannot add new language interface packs.

Because this is typically an OEM-preinstalled version, Microsoft does not often list it separately in the standard Media Creation Tool. However, it can be obtained via official channels.