you can swap to a different version of the Linux kernel on an existing Linux installation, 
which is commonly referred to as backporting the kernel. Here’s a general approach to achieve this:

Identify the Desired Kernel Version: Determine which version of the Linux kernel you want to install. 
Make sure it is compatible with your system and the software you intend to use.

Download the Kernel Source:

You can download the kernel source code from the official Linux Kernel Archives.
Install Required Packages:

Make sure you have the necessary tools and libraries for building the kernel. This typically includes packages like gcc, make, libncurses5-dev, bison, flex, libssl-dev, etc.

sudo apt-get update

sudo apt-get install build-essential libncurses-dev bison flex libssl-dev libelf-dev


Extract the Kernel Source:

tar -xvf linux-x.y.z.tar.xz

cd linux-x.y.z


Configure the Kernel:

You can start with your current configuration to ensure that the new kernel supports all your existing hardware.

cp /boot/config-$(uname -r) .config

make menuconfig


Compile the Kernel:

make -j$(nproc)


Install the Kernel Modules:

sudo make modules_install


Install the Kernel:

sudo make install


Update Bootloader:

Update your bootloader configuration to include the new kernel.

sudo update-grub


Reboot the System:

Reboot your system and select the new kernel from the boot menu.

sudo reboot


Verify the New Kernel:

After rebooting, verify that the system is running the new kernel.

uname -r


Precautions:
Backup Important Data: Always backup important data before performing significant system changes.
Check Compatibility: Ensure that your hardware and necessary drivers are compatible with the new kernel.
Test Thoroughly: Test the new kernel in a safe environment before deploying it on production systems.