Talk given as part of the European XFEL Users' Meeting 2016. Topics include: science applications at SQS; SASE3 parameters; photon beam transport systems; general layout of SASE3 area; general layout of SQS scientific instrument; focusing optics for SQS; laser in-coupling unit; AQS experimental chamber; VMI spectrometer at AQS; XUV spectrometer at AQS; NQS experimental chamber; detectors and sample delivery at NQS; reaction microscope (REMI) at SQS; schedule for SQS scientific instrument.