UPDATE 2/27: Today we have released Windows 10 Insider Preview Build 18342.8 (19H1) to Windows Insiders in the Slow ring.
PCs with the base language ZH-CN will not receive this update due to an issue that’s causing many common Chinese games to crash on launch.
We’ve also added an upgrade block for users of the most common games that are impacted by the GSOD discussed in the known issues below. If you uninstall the affected games, you can get the update.