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Install Ubuntu 21.04
to maintain Windows: 1. disable bitlocker 2. disable Secure Boot 3. use a USB to boot the ubuntu 21.04
Possible issues
Backlight / nomodeset
In case you are using a laptop with intel i7 gen. 11th and iRIS XE graphics you should use kernel 5.11.0-16-generic
Wi-fi
To install the correct drive you should follow these command (and might read the discussion at this [link](https://forum.ubuntu-it.org/viewtopic.php?t=637471)):
1. Make sure you have a proper build environment and dkms installed. 2. sudo apt install bc module-assistant build-essential dkms 3. sudo m-a prepare 4. apt install rtl8821ce-dkms