v0.212.9 is significantly older than the current version; you would miss out on the Ashlands and Hildir's Request updates.
If you have a subscription, you can download the full, current version of Valheim at no extra cost on PC or Console via the Xbox Store. Valheim Free Download (v0.212.9)
is a paid survival game developed by Iron Gate Studio and published by Coffee Stain Publishing. It is not officially available as a "free download." Sites offering version v0.212.9 for free are typically distributing pirated or unofficial copies. Official Version History you can download the full