How to install driver in linux ubunto

Dell / DIMENSION 8400
October 2, 2017 at 03:17:35
Specs: Windows 7 / 10, G2020 / 8GB
Hi All,

I am a newbie on linux. Recently, i decide to try out linux and had opt for ubuntu 16.04.3 LTS. Here is my laptop specs :

I would like to use a wireless a/c usb adapter to replace the build-in wireless n adapter. I had downloaded the linux driver here :

Here is where i met the problem. Unlike windows, i could just click on the installation icon to get the adapter installed. All i get is this file with the name "rtl8821AU_linux_v4.3.14_13455.20150212_BTCOEX20150128-51.tar.gz"...

How do i go about getting it installed?

Thanks in advance...

See More: How to install driver in linux ubunto

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October 2, 2017 at 10:57:07
Windows & Linux are 2 completely different animals & Ubuntu was a poor choice for a linux newbie. You'll probably have to connect the laptop to your router via ethernet cable, then download the driver from the Ubuntu repository. See the following:

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October 8, 2017 at 07:04:55
I have successfully installed the driver after disabling "secure boot" in bios. However, when i try to enable "secure boot" (after driver installation), the wireless adapter stop working. Is there a way to enable "secure boot" and at the same time let the wireless adapter work?

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