Debian Bullseye With Windows 10 Dual Boot Installation – Step-by-step

Installing

2. 2. Downloading and Burning Debian ISO

   How to Download and Burn Debian Installation Media to CD/DVD/USB

   Getting Debian ISO CD/DVD/USB Media

   Prepare Debian Media for Installation

3. 3. Installing Debian Bullseye on Top of Windows 10

   Then Boot from Debian Installation Media
   How to StartUp Debian from CD/DVD/USB on Windows 10 PC

   Linux Boot on Windows 10 PC

   Running Linux on Win 10 PC

   Start by choosing “Graphical install“:

   
   Then select the Language:
   (To confirm choices use Space-Bar, Enter or your Mouse)
   
   Continue
   Again select the Location:
   
   Continue
   Configure the Keyboard:
   
   Continue
   Now the system start automatically to load the Installer Components and to configure the Network Hardware:
   
   
   So then follow to Configure the Network setting the “Hostname“, as default choice for a Desktop put “localhost”:
   
   Continue
   And in case, next also the “Domain Name”:
   
   Continue
   Choose the “root” Admin User Password:
   
   Continue
   Now set the User Full Name:
   
   Continue
   Again the “username“:
   
   Continue
   And the User Password:
   
   Continue
   Configure the Clock:
   
   Continue
   Follow with the Disk Partitioning.
   So if you Partitioned Windows 10 Disk leaving a Free Space Volume, now choose “Guided – use the largest continuous free space“:
   (Else you should see -> the Manual Partitioning Guide)

   

   Continue
   Again as Partition Scheme you can make your Choice:

   

   Continue
   Last, confirm to “Finish partitioning and write changes to disk”:

   

   Continue
   Finish choosing “Yes”:

   

   Then start automatically the base system setup:
   
   After start the Package Manager Configuration.
   Usually you “No” need to load extra Media:
   
   Continue
   Next follow to configure the Apt Package Manager.
   So confirm to use a Network Mirror with “Yes“:
   
   Continue
   Then choose the Debian archive Mirror Country:
   
   Continue
   Again the Archive Mirror, when uncertain take the Default:
   
   Continue
   And possibly also the Proxy Url (Not needed):
   
   Continue
   Then start automatically the first software installation procedure:
   
   Choose if partecipating to the Software popularity contest:
   
   Continue
   Next you can choose the additional Software and the Desktop to setup on System:
   
   In this guide I make use of the Default GNOME Environment.
   Continue
   Now you may wait a little longer during the Software Installation:
   
   Now confirm to install the GRUB Boot Loader:
   
   Continue
   And next ordinarily choose the “/dev/sda” as Target:
   
   Continue
   Finally, the Installation should be successfully achieved:
   
   Continue
   Congrats, you should be able to Restart into Debian 11 GNU/Linux! :)