PC requirements

Heroes of Might & Magic III: HD Edition System Requirements

Heroes of Might & Magic III: HD Edition needs at least Intel Core2 Duo E4400 @ 2.0 GHz or AMD Athlon64 X2 3800+ @ 2.0 GHz (or better), 2 GB RAM and nVidia GeForce 8800GT or AMD Radeon HD2900 (256MB VRAM or more with Shader Model 4.0) graphics. For the recommended experience you want Intel Core2 Duo E6600 @ 2.4 GHz or AMD Athlon64 X2 5600+ @ 2.8 Ghz, 3 GB RAM and nVidia GeForce 9800GT or AMD Radeon HD3870 (512MB VRAM with Shader Model 5.0) graphics.

Verified Sources: Steam store listing
Heroes of Might & Magic III: HD Edition minimum and recommended PC specifications
Component Minimum Recommended
Operating system Windows 10 (64-bit) Windows 10 (64-bit)
Processor Intel Core2 Duo E4400 @ 2.0 GHz or AMD Athlon64 X2 3800+ @ 2.0 GHz (or better) Intel Core2 Duo E6600 @ 2.4 GHz or AMD Athlon64 X2 5600+ @ 2.8 Ghz
Memory 2 GB RAM 3 GB RAM
Graphics nVidia GeForce 8800GT or AMD Radeon HD2900 (256MB VRAM or more with Shader Model 4.0) nVidia GeForce 9800GT or AMD Radeon HD3870 (512MB VRAM with Shader Model 5.0)
DirectX Version 10 Version 10
Additional notes DirectX Compatible Sound Card with latest drivers DirectX Compatible Sound Card with latest drivers
Not sure how your PC compares? Use the Can I Run It checker — pick your CPU and GPU and it tells you which column you land in.

Other platforms

Heroes of Might & Magic III: HD Edition is also available on these systems, where hardware is fixed and no per-PC check is needed:

Quick answers

Running Heroes of Might & Magic III: HD Edition on PC

Can my PC run Heroes of Might & Magic III: HD Edition?
Compare your CPU, GPU and RAM against the minimum column below. If your parts match or beat every minimum row, the game will launch — though you may need to lower settings. Matching the recommended column is what gets you 60fps at 1080p.
How much storage does Heroes of Might & Magic III: HD Edition need?
Storage requirements are not published for this title yet.
What is the difference between minimum and recommended specs?
Minimum means the game starts and is playable, usually at 30fps on low settings at 1080p. Recommended is the developer's target for a smooth 60fps experience at high settings.