Windows only installs to gpt partitioned drives with UEFI. Then Ubuntu also needs to be UEFI, but Boot-repair can convert install to use grub-efi in...
Unless you clicked on the checkbox to encrypt /home you should not have encrypted your partitions. But if you did the only way to access it would be...
Swap is just a partition used by a full install of Ubuntu as RAM overflow. Or if you startup more applications at one time then it may use swap. Swap...