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Core Temp

v1.21FreeReleased 3 Oct 2026

Per-core CPU temperatures in your system tray. By ALCPU (Arthur Liberman)

  • Windows
Official sourceSHA-256 published by the developerNo bundles

By the ToolsBharat teamUpdated 3 Oct 2026How we check

Quick answer

Core Temp is free software for Windows from ALCPU (Arthur Liberman). Per-core CPU temperatures in your system tray. Download it only from alcpu.com. The latest version we track is 1.21 (3 Oct 2026). The developer publishes a SHA-256 hash for the installer, shown on our download page. ToolsBharat links straight to the publisher's own download page, with no bundled offers.

Latest version:
1.21 (3 Oct 2026)
Publisher:
ALCPU (Arthur Liberman)
Official site:
alcpu.com
Licence:
Free — Freeware
Requirements:
Windows XP, 7, 8/8.1, 10, 11; Windows Server 2003–2025

Our verdict

A small, focused monitor that puts each CPU core's temperature in the notification area and can shut the PC down if it overheats. The publisher lists a SHA-256 for the download. Read each setup screen, as past installers have included an optional third-party offer.

Screenshots

Core Temp main window with per-core temperatures and load
Publisher's website

Key features

  • Per-core temperature, load and frequency
  • Tray icons for each core
  • Overheat protection with alerts or shutdown
  • Plugin support

Pros

  • Pro: Very light on resources
  • Pro: SHA-256 published on the download page

Cons

  • Con: CPU only — no GPU or disk sensors
  • Con: Read each installer screen and untick anything you did not ask for

What's new in 1.21

See what changed in 1.21 in the official release notes

Version history

  1. Version 1.21Latest

    3 Oct 2026
    SHA-256
    fbf053db…89d4ecb6(published by the developer)
    Source
    Release notes

Requirements

OS
Windows XP, 7, 8/8.1, 10, 11; Windows Server 2003–2025
Architecture
64-bit, 32-bit
Also needs
Intel, AMD or VIA x86 processor

Licence

Type
Free
Licence
Freeware
Publisher
alcpu.com

Where these facts come from

Checked 30 Oct 2026

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Alternatives

Core Temp

1.21 · Not stated

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