Release date

Halo Campaign Evolved release date, early access time and platforms.

The official launch date is July 28, 2026. Eligible early access begins July 23, 2026.

Unofficial independent fan guide. This is not the official Halo, Xbox, Microsoft or Steam website.

Short answer

Halo: Campaign Evolved launches on July 28, 2026 for Xbox Series X|S, PlayStation 5, Steam and Windows PC. Early access for eligible Premium Edition and Collector's Edition buyers begins on July 23, 2026.

Launch countdownJuly 28, 2026
00Days
00Hours
00Minutes
00Seconds

Key dates

DateEventWho it matters to
July 23, 2026Early access beginsDigital Premium Edition and Collector's Edition buyers.
July 27, 2026Preorder offer cutoffSteam legal text lists 11:59 PM local time as the cutoff.
July 28, 2026Full launchStandard launch for Xbox Series X|S, PS5, Steam and Windows PC.

Regional timing note

Official marketplace text references 8 AM PDT timing and notes that Japan and select Asia-Pacific markets may roll into the following calendar day. Check your platform store page for exact local unlock timing.

Official sources

Xbox Wire launch article Halo Waypoint Steam page