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We all know Contabo is the best VPS, VDS & Dedicated Server provider. But they charge about $8/month to install Windows on the server. Which is very costly for many clients. In this article you will learn how you can install Windows on Contabo server.

You will be able to install:

Windows Server 2012R2
Windows Server 2016
Windows Server 2019
Windows Server 2022
Windows 10
Windows 11

You just need Windows ISO file to do it. You can use our Windows ISO file or you can directly download ISO file from Microsoft Official Website.


So, lets begin the installation process of How To Install Windows On Contabo Server step by step:


Step 01: Re-installing the server with UbuntuOS 20.04

  • To re-install the server Go To VPS/VSD or Dedicated Server Control and you will see your server with IP Address, Status and some more options. You will find a Button named Re-Install.
  • Click on re-install & it will take you to the OS Re-installing page. Here select Ubuntu 20.04 as OS, Generate a Password and keep that password safe. Then click on Start Installation.
  • Now click on OS Installation from the left hand side menu bar. Here you will be able to see the progress of the installation of the OS.


Step 02: Enable Rescue Mode for the server

  • After completing the OS installation process, again Go To your server control page and now you will find a Button named Rescue System. Click on it.
  • It will take you to the Server Rescue Mode page. Now Select Debian-10 as the OS, generate a Password and click Start Rescue System.
  • It will take about 1-5 mins to enable the rescue mode.


Step 03: Generate VNC Login information & VNC Login

  • Now, again go to your server manage page and you will find a button “Manage”. Hover your mouse on the button and you will see a list. Look for VNC Information and click on it.
  • You will see a IP address & a port number for VNC login.
    VNC IP:
    VNC Port:64292
  • Again in the list you will see a option for VNC Password. Click on it and generate a password for VNC login. You can not use any special symbol in password.
  • Now, download a VNC Software on your PC. You can download RealVNC or UltraVNC for this.
  • Install the VNC software and open it and you will see a option to input your VNC login details. Enter your VNC IP and port number like this: & press enter. It will ask for the password you generated in VNC password section.
  • If everything is correct, you will see a Desktop Interface like this:


Step 04: Installing Windows On Contabo Server

Open Terminal. You will find it in below menu.

Now, you need to run some commands in the terminal to install Windows. You can not copy paste the commands directly in the Terminal, so write down the commands carefully.

apt update
sudo apt update -y
sudo apt upgrade -y
sudo su
apt install gparted filezilla grub2 wimtools -y
gdisk /dev/sda




mount /dev/sda1 /mnt
cd ~
mkdir windisk
mount /dev/sda2 windisk
grub-install –root-directory=/mnt /dev/sda
cd /mnt/boot/grub
nano grub.cfg

Write this code and save file:-
menuentry “windows installer” {
insmod ntfs
search –set=root –file=/bootmgr
ntldr /bootmgr

To save this code: Crtl+x
Then Press: y
Then Press: Enter

5th Run This Commands:-
cd /root/windisk
mkdir winfile
wget -O win10.iso
mount -o loop win10.iso winfile
rsync -avz –progress winfile/* /mnt
umount winfile
wget -O virtio.iso
mount -o loop virtio.iso winfile
rsync -avz –progress winfile/* /mnt/sources/virtio
mkdir /mnt/sources/virtio
cd /mnt/sources
touch cmd.txt
echo ‘add virtio /virtio_drivers’ >> cmd.txt
wimlib-imagex update boot.wim 2 < cmd.txt

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Once you have done sending all the commands, the server will reboot and you will see Windows installation Wizard to complete the Windows Installation. And then you can access your RDP from your PC RDP Software with the IP address, User Name and the Password you entered while you installing windows on server.

Read More: How To Install Windows On DigitalOcean Droplet


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