Use the lift, go in and out and go up and down using the stairs! Press the <- and -> keys at the same time to safety break the lift. Can you find the key? To surf the lift, click on the right-hand door, only if you have the key.
Technical information: -Manufacturer: Kone -Arrangement: MRL Traction -Model: ProSpace -Signalisation: KSS 280 -Doors: Inner Single-Speed Centre-Opening Automatic with Outer Doors -Motor: Kone EcoDisc MX10 (3rd generation) -Speed: 1 m/s -Top Speed: 1.6 m/s -Installation: 2020 -Model Release: 2018 -Number of Landings: 8 -Logic: LCE Credit to @Jon5432 and @Fiddle04