Custom ISOs like Tiny10 are not officially provided by Microsoft. The most reputable source for these projects is , where the developer (NTDEV) hosts official releases.
: x86 (32-bit), ideal for systems with less than 4GB of RAM. Download File tiny windows 10 21H2 x86 .iso
: Most Tiny10 builds are English-only by default, though you can often add language packs later. Custom ISOs like Tiny10 are not officially provided