Farming Simulator 17 Platinum Edition DVD - how to load second disc?

[alanmowle]

I have put in a long list of questions via email, but a short one here please, I have loaded FS17 OK I think, how do I load the second disc? I will be very grateful for any help, although my questions seem elementary, I am 86 and love Simulations, FS17 exceeded my expectations, it is superb. My rig is:Intel Core i7-7700K
Dell S2716 DG Monitor
Graphics card MSI GTX 1080 ARMOR 8G OC
SSD Intel 600p M.2 512GB SSD
NVMe HDD WD 2TB Blue 64 MBs cache
RAM Kingston 16GB KIT DDR4 2666MHz CL13 HyperX Savage Black
Water cooling NZXT Kraken X41
LED backlight
Power supplySeasonic M12II-620 Evo
PC caseNZXT S340 Elite Limited
Operating systemWindows 10 Home 64-bit

Edit don_apple: moved to separate topic to make it easier for people to provide assistance.