You can typically move saves between versions, but a save made in a newer game version (like 1.6) cannot be opened by an older version of the game.
You can switch to this version through the settings of your game launcher: Right-click Stardew Valley in your library. Properties , then click the “compatibility - For 32-bit systems” from the drop-down menu. Steam will automatically download the necessary update. Right-click Stardew Valley in your game list. Hover over Manage Installation and select Beta Channels drop-down menu and select “Compatibility” The game will receive an update to the 32-bit version. Key Differences to Know Stardew Valley Compatibility Version Download
Technical design
AI Assistant Date: April 21, 2026 Information accuracy: Based on game version 1.6+ ecosystem as of this date. You can typically move saves between versions, but
Console versions automatically update and cannot be rolled back. For crossplay, all players must be on the same version. Steam will automatically download the necessary update