I have an Acer ASpire 3820 with Windows 7 installed. Three primary partitions already.
When planning the partitioning I've found that Windows will only let me shrink the C: partition and leave ~76Gb free, meanwhile Manjaro installer would shrink it to 232Gb and leave another 232Gb for installation.
So,I can only create one primary partition that would have to be extended, and logic partitions there for what I've found out during research.
What partition plan do you recommend me in this situation? Which tools should I use and which steps should I follow?
I can link screenshots if needed
Can you boot off the live media and run these two commands from the terminal and share the output
lsblk
inxi -Fxxxzdp
These will give us some information to make a better recommendation.
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Ahm,I'm sorry but my only Operating System installed is Windows 7. Can I get that info on some tool as the ones on Hirens Boot CD?
From the Manjaro live boot disk.
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Okay. I've got the liveCD on a usb stick so here you have them:
[manjaro@manjaro ~]$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
loop0 7:0 0 62.4M 1 loop /run/miso/sfs/livefs
loop1 7:1 0 281.8M 1 loop /run/miso/sfs/mhwdfs
loop2 7:2 0 954.6M 1 loop /run/miso/sfs/desktopfs
loop3 7:3 0 432.5M 1 loop /run/miso/sfs/rootfs
sda 8:0 0 465.8G 0 disk
├─sda1 8:1 0 12.7G 0 part
├─sda2 8:2 0 100M 0 part
└─sda3 8:3 0 453G 0 part
sdb 8:16 1 14.9G 0 disk
└─sdb1 8:17 1 14.9G 0 part /run/miso/bootmnt
[manjaro@manjaro ~]$ inxi -Fxxxzdp
System:
Host: manjaro Kernel: 4.14.52-1-MANJARO x86_64 bits: 64 compiler: gcc
v: 8.1.1 Desktop: N/A dm: lightdm 1.26.0
Distro: Manjaro Linux 17.1.11 Hakoila
Machine:
Type: Laptop System: Acer product: Aspire 3820 v: V1.19 serial: <filter>
Mobo: Acer model: JM31_CP v: V1.19 serial: <filter> BIOS: Phoenix v: 1.19
date: 10/27/2010
Battery:
ID-1: BAT0 charge: 37.1 Wh condition: 49.8/64.8 Wh (77%) volts: 11.5/10.8
model: Panasonic AS10B5E type: Li-ion serial: <filter> status: Discharging
CPU:
Topology: Dual Core model: Intel Core i3 M 370 bits: 64 type: MT MCP
arch: Nehalem rev: 5 L2 cache: 3072 KiB
flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 19157
Speed: 1430 MHz min/max: 933/2399 MHz Core speeds (MHz): 1: 1351 2: 1068
3: 1378 4: 1408
Graphics:
Card-1: Intel Core Processor Integrated Graphics driver: i915 v: kernel
bus ID: 00:02.0 chip ID: 8086:0046
Display: x11 server: N/A driver: intel unloaded: fbdev,modesetting,vesa
resolution: <xdpyinfo missing>
OpenGL: renderer: Mesa DRI Intel Ironlake Mobile v: 2.1 Mesa 18.1.3
direct render: Yes
Audio:
Card-1: Intel 5 Series/3400 Series High Definition Audio
driver: snd_hda_intel v: kernel bus ID: 00:1b.0 chip ID: 8086:3b56
Sound Server: ALSA v: k4.14.52-1-MANJARO
Network:
Card-1: Qualcomm Atheros AR8151 v1.0 Gigabit Ethernet driver: atl1c
v: 1.0.1.1-NAPI port: 2000 bus ID: 02:00.0 chip ID: 1969:1073
IF: enp2s0 state: down mac: <filter>
Card-2: Qualcomm Atheros AR9287 Wireless Network Adapter driver: ath9k
v: kernel bus ID: 04:00.0 chip ID: 168c:002e
IF: wlp4s0 state: up mac: <filter>
Drives:
HDD Total Size: 480.68 GiB used: 1.75 GiB (0.4%)
ID-1: /dev/sda vendor: Hitachi model: HTS545050B9A300 size: 465.76 GiB
speed: 3.0 Gb/s rotation: 5400 rpm serial: <filter> rev: C60F scheme: MBR
ID-2: /dev/sdb type: USB vendor: Lexar model: USB Flash Drive
size: 14.92 GiB serial: <filter> rev: 1100 scheme: MBR
Message: No Optical or Floppy data was found.
Partition:
ID-1: / size: 2.65 GiB used: 94.3 MiB (3.5%) fs: overlay dev: ERR-102
ID-2: /run/miso/bootmnt size: 14.90 GiB used: 1.75 GiB (11.7%) fs: vfat
dev: /dev/sdb1
Sensors:
System Temperatures: cpu: 41.0 C mobo: 32.0 C
Fan Speeds (RPM): N/A
Info:
Processes: 158 Uptime: 11m Memory: 3.54 GiB used: 1.02 GiB (28.9%)
Init: systemd v: 239 Compilers: gcc: 8.1.1 Shell: bash v: 4.4.23
running in: xfce4-terminal inxi: 3.0.12
Some more info would be helpful
sudo parted -l
And read how to format the terminal output, please
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Thanks
[manjaro@manjaro ~]$ sudo parted -l
Model: ATA Hitachi HTS54505 (scsi)
Disk /dev/sda: 500GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:
Number Start End Size Type File system Flags
1 1049kB 13.6GB 13.6GB primary ntfs diag
2 13.6GB 13.7GB 105MB primary ntfs boot
3 13.7GB 500GB 486GB primary ntfs
Model: Lexar USB Flash Drive (scsi)
Disk /dev/sdb: 16.0GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:
Number Start End Size Type File system Flags
1 1049kB 16.0GB 16.0GB primary fat32 boot, lba
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This is enough for Manjaro.
Create an extended partition for the rest of the disk and then three logical.
mount point Size
/ 30GB
/home remaining space
swap 4GB
I suggest do not overkill WinOS with shrinking. Leave some space for it to avoid it being broken.
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Okay.
I guess Gparted will do a great job to do so(?
No,ofc not. I'll leave it around 80Gb or more because I'll still use it sometimes.
Yes. It is preferred to re-partition with Gparted and then reboot and do the Installation with the installer
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Alright then.
Last question:
Is this mount point /var ? (in the installer options there's no swap,so I guess)
You need to change the partition type to be linux swap.
You can do this in the installer or gparted.
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Okay,I think I have a little issue I need advice on in this step.
Windows 7 only allows me to shrink this space(It's in spanish because I'm from Spain hehe) 
I mean,if I do some bad calculations I get to the limit. Can I shrink it using Gparted? I don't want to maybe delete some data right after that amount. I've also read about fragmentation but idk what you know about it.
If it's somewhat useful,this is C: properties:(using link bc I'm a new user)
C: properties
In Windows, defragment your drive. Also check if some file(s) is(are) pinned and cannot be moved (running or system). After that, it should(?) be possible to shrink it more and safely.
Yes, gparted should be able shrink it for you and help rearrange the data to make it fit.
Regardless of which method you use, make sure you backup any important data.
So, I've defragmented my drive,twice and I still have the same amount of space. Idk if I should touch anything else,it's a little complicated.
I will do some more cleaning but if I still have the same amount space,would this partitioning scheme be okay for Manjaro? I'll only use it for office and multimedia purposes
(Manjaro version 17.1.11)
mount point Size
/ 30GB
/home 20-25GB
swap 4GB
At my understanding Windows partition would still have around 166Gb free which is way more than enough.
If you are tight on space, you are probably better off not having a separate /home Just do:
mount point Size
swap 4GB
/ < whatever space you have left >
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I will do that then. I have more than enough space on exetrnal drives for the backups. Thanks
Do you mean the message that appears on the Disk management when you're about to shrink C: or to check it another way?
I've done the partitioning, installed,updated and did some set-up on Manjaro. So, thank you for your help! 
