First of all I would like to say, I install windows first and after linux .
all distribution mint ubuntu , debian he has same *problem until now.... , not only SL P8 ,I'm just using SL P8 long time because I like it more
"(*problem when install linux stop install updates win)you can say don't use it win, but this is another big issue)"........
I would like to apologize I didn't know that you don't speak Greek,and I would not want anyone's hair to fall off their head....
the google translator not so good, translates only words, in the text it loses meaning....
On our subject ,as I said before , i install windows 10 first and I split the disk after installing the windows
I didn't form the free space disk from the windows, I just split the disc from the windows with disk management from win 10 .... after i install SL P8 use auto partition i mean the first choice before starting the installation SL ,is the point of choice if you want to install linux manual or not , i hope to understand me .....
now my disk is
lsblk -f
NAME FSTYPE LABEL UUID MOUNTPOINT
sda
├─sda1
│ ntfs Δεσμευμένο από το σύστημα
│ 4C0CCDBC0CCDA176 /mnt/sda1
├─sda2
│ ntfs Windows_10_1903 OS 8C78D05978D0439C /mnt/sda2
├─sda4
│
├─sda5
│ swap 75e8d5c9-fb06-4032-b2e9-8661f853cd91 [SWAP]
├─sda6
│ ext4 4abea2a0-0616-4e19-9a53-bb718027ff12 /
└─sda7
ext4 757da55b-087e-49e0-89ba-b338688df993 /home
sudo fdisk -l
Disk /dev/ram0: 16 MiB, 16777216 bytes, 32768 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram1: 16 MiB, 16777216 bytes, 32768 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram2: 16 MiB, 16777216 bytes, 32768 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram3: 16 MiB, 16777216 bytes, 32768 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram4: 16 MiB, 16777216 bytes, 32768 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram5: 16 MiB, 16777216 bytes, 32768 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram6: 16 MiB, 16777216 bytes, 32768 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram7: 16 MiB, 16777216 bytes, 32768 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram8: 16 MiB, 16777216 bytes, 32768 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram9: 16 MiB, 16777216 bytes, 32768 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram10: 16 MiB, 16777216 bytes, 32768 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram11: 16 MiB, 16777216 bytes, 32768 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram12: 16 MiB, 16777216 bytes, 32768 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram13: 16 MiB, 16777216 bytes, 32768 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram14: 16 MiB, 16777216 bytes, 32768 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram15: 16 MiB, 16777216 bytes, 32768 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/sda: 447,1 GiB, 480103981056 bytes, 937703088 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x0d8b0d8a
Device Boot Start End Sectors Size Id Type
/dev/sda1 2048 1187839 1185792 579M 7 HPFS/NTFS/exFAT
/dev/sda2 1187840 625139711 623951872 297,5G 7 HPFS/NTFS/exFAT
/dev/sda4 625139739 937697279 312557541 149G 5 Extended
/dev/sda5 625141760 637433855 12292096 5,9G 82 Linux swap / Solaris
/dev/sda6 * 637435904 689860607 52424704 25G 83 Linux
/dev/sda7 689862656 937697279 247834624 118,2G 83 Linux
sudo efibootmgr -v
EFI variables are not supported on this system.