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 installer will typically detect the license key embedded in your computer's UEFI BIOS and install the correct SL edition automatically. Windows-10-Home-Single-Language-Download
Microsoft introduced this edition for emerging markets and low-cost devices. By restricting language capabilities, OEMs (original equipment manufacturers) can offer Windows at a lower license cost. In this version, you can change the keyboard input method (e
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. Standard Home allows installing unlimited languages; SL does
Standard Home allows installing unlimited languages; SL does not.
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.
Here is a deep look into the story, limitations, and the process of downloading this version. The Story: Why Does "Single Language" Exist?