Popular: Data updated October 27, 2026

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Microsoft Copilot: all versions and old releases

Microsoft Copilot is an AI companion for work and everyday life.

Microsoft Corporation AI assistants & LLMs

7 versions of Microsoft Copilot are listed here, from October 3, 2026 to the current 156.0.4314.50. Each one links to the publisher’s own installer files.

2026: 7 7 26
VersionDateSizeFiles
156.0.4314.50Latest October 26, 2026 — 64-bit MSIARM64 MSI32-bit MSI
156.0.4314.42 October 22, 2026 285.3 MB 64-bit MSI 282.5 MBARM64 MSI 285.3 MB32-bit MSI 191.8 MB
155.0.4283.62 October 16, 2026 283.2 MB 64-bit MSI 280.8 MBARM64 MSI 283.2 MB32-bit MSI 190.3 MB
155.0.4283.60 October 16, 2026 — 64-bit MSIARM64 MSI32-bit MSI
155.0.4283.45 October 8, 2026 — 64-bit MSIARM64 MSI32-bit MSI
154.0.4258.62 October 5, 2026 — 64-bit MSIARM64 MSI32-bit MSI
154.0.4258.53 October 3, 2026 — 64-bit MSIARM64 MSI32-bit MSI

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