You can redownload the FirstAccess build from the link you were sent when you purchased the pre-order. Here are the build notes for the latest updates

10/3 build
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updates to DB Zone and Cover logic

9/25 build
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update to zone defense movement
update to players

9/22 build
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fix a database issue/load error

9/21 build
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Updated RFA Logic
Updates to FA Bidding Screen
PS Squad allow 0
Updating highlight of player at start of play
Updated font for german characters
Fix for OVR Modifier = 0
Updating Article generator for coach and interviews
Updated Default Rosters
Update coach generated playbooks throughout season
Refactor Zone-ish defenses
Fix for stage 2 staff signing
Added Goal Line back setting
Updated progression/regression setting
Updated penalty logic/weights
Updating draft salary fixed slot list
Updated several UI screens
Updates to quarter/335 depthchart logic
Updated filters
Made hard mode harder
Tweak to QB running
Tweak to running inside
Tweak to Long FG decisions
Misc fixes reported in forum and slack