#1 - May 22, 2026, 4:08 p.m.
Blizzard Post

Hello everyone,

When the Hearthstone™ patch 36.0 is live, we will no longer support the Hearthstone game client for 32-bit operating systems. Players on 32‑bit Windows OS will be unable to launch the game after Patch 36.0.

The vast majority of Hearthstone players are already using a 64-bit operating system, and this change will allow us to focus on making the client as stable and efficient as possible.

If you are using a 32-bit operating system, you will need to upgrade to 64-bit to ensure continued updates and compatibility. Check with your OS maker to find out how to upgrade to a 64-bit operating system and what applications will be affected.

Why We’re Retiring 32-Bit Support

The memory limitations of 32-bit operating systems can impact the playability and stability of many modern games, and 64-bit operating systems have been industry standard for several years already, and as we’re nearing the end of the CATACLYSM cycle, the time is right to make this change for Hearthstone as well.

We recommend updating to the 64-bit version of the OS before June 30th, 2026, to ensure your Hearthstone gaming experience is unaffected.

Hearthstone Team