DSOGaming writes: “Now here is a pleasant surprise. Even though Microsoft and 343 Industries have not announced anything yet about the promised closed beta phase for Halo Reach PC, a new Microsoft Store event listing suggests that the beta will kick off next week during E3 2019.”
Source: N4G PC Halo Reach PC closed beta to be playable at Microsoft Store Fan Celebrations E3 2019 event, June 9th