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Windows Longhorn build 4020 (idx02.030430-2218)
|Build of Windows Longhorn|
Windows Longhorn build 4020 (idx02.030430-2218) is an unconfirmed Milestone 5 build of Windows Longhorn. On 23 January 2020, this build was listed on a thread by UX.Unleaked blog founder Grabberslasher. However, it's actually a mislabel of build 4020 (idx02.030507-1155).