The demo on the official Nintendo eShop is approximately 1 GB . If your .rar or extracted .nsp is significantly smaller (e.g., only a few MBs), it may be incomplete or malicious. Safety & Legitimacy
A common safety practice is to test the file first in an emulator like Ryujinx on a PC before installing it on an actual Switch. Installation Context Sea of Stars (NSP)(DEMO).rar
This file is typically used on Nintendo Switch consoles with custom firmware (CFW) using installers like Goldleaf or DBI . Note that the demo was officially released for free on the Nintendo eShop, which remains the only 100% safe method for acquisition. The demo on the official Nintendo eShop is