These are the Ubuntu minimum specs:

1. 700 MHz processor (about Intel Celeron or better)
2. 512 MiB RAM (system memory)
3. 5 GB of hard-drive space (or USB stick, memory card or external drive but see LiveCD for an alternative approach)
4. VGA capable of 1024x768 screen resolution
5. Either a CD/DVD drive or a USB port for the installer media
6. Internet access is helpful

If your machine meets or exceeds the requirements then yes you can install Ubuntu

Get official Ubuntu iso here:

https://www.ubuntu.com/desktop

Make bootable Ubuntu installation USB with Rufus get here:

rufus.akeo.ie  

Get drivers for ubuntu here:

www.dell.com/.../advanced

These are the Ubuntu minimum specs:

1. 700 MHz processor (about Intel Celeron or better)
2. 512 MiB RAM (system memory)
3. 5 GB of hard-drive space (or USB stick, memory card or external drive but see LiveCD for an alternative approach)
4. VGA capable of 1024x768 screen resolution
5. Either a CD/DVD drive or a USB port for the installer media
6. Internet access is helpful

If your machine meets or exceeds the requirements then yes you can install Ubuntu

Get official Ubuntu iso here:

https://www.ubuntu.com/desktop

Make bootable Ubuntu installation USB with Rufus get here:

https://rufus.akeo.ie