After many weeks of testing, Microsoft has now finalized Windows 11. They are making it available in the release preview channel of the Windows insider program ahead of the official October 5th launch. This allows a little more testing before the final approval stage; this is still a pre-release.
So this means that you might still encounter some issues, but since the operating system is in the release preview channel, Microsoft is already confident that this version is very stable.
However, as we know, there are many customization options available in the new Windows 11, but you can still make your Windows PC look more beautiful. Yeah! We are talking about the Windows 11 custom themes and skins that you can use to customize your PC. Sounds interesting? So, let’s get started then.
Best Windows 11 Themes and Skins Download Free in 2023
Here we mentioned some of the best and random Windows 11 themes and skins that you can use on your Windows 11 PC. But, before we start, make sure to make a restore point for your PC, as sometimes, due to technical issues, your Windows may get corrupted.
1. 3D Theme
3D Theme for Windows 11. Well, this is one of the greatest themes ever created for Windows 11 that feature 17 HD wallpapers that completely change your PC’s look. This also offers 3D graphics that make your PC looks even better with some 3D effects.
Also, if we are talking about the installation process, then this is the easiest part because you just need to download the 3d.deskthemepack file. Then, open and apply it on your PC.
2. Aero Glass
Aero Glass is a free theme that is available for both Windows 10 and 11. This will offer you a glassy transparent look and some tweaks in the Taskbar without Windows 11 original layout.
It also offers transparent borders for every application that you are using. In addition, you can customize everything as per your requirements using the Aero Glass theme. Unfortunately, this theme is currently available for Windows 10, but as soon as you reach Aero Glass official website, you can find a way to use it on your Windows 11 PC.
3. Windows Nostalgia Bliss
If you are a die-hard fan of the old classic Windows look, then this theme will exactly make your Windows 11 PC looks like what you want. Windows Nostalgia Bliss is inspired by the evergreen Windows XP that offers you 1920*1080 beautiful Bliss wallpaper.
Now, talking about the downloading procedure, then you can simply download it from the official website of Windows Nostalgia Bliss below.
4. Hacker Theme 
As the name sounds, this theme is based on the Hacker’s concept, and it will make you feel like a Hacker when you use your PC. Also, this theme is almost compatible with every version of Windows, including the new Windows 11.
There’s a very cool feature that will change the color of text after every 30 minutes. It will also offer a slideshow that contains some classic hacker symbols that give you a true feel of the hacker’s rig. However, you can download it from Hacker Theme’s official website.
5. The Witcher
If you are a fan of the Witcher movie or game, then this theme is for you. We recommend you use this theme once and give us your feedback if you really like this or not. It contains a total of 10 high-resolution images taken from the Witcher movie scenes.
But, yeah, there’s a minus point in this theme, as this theme will not change your icons. So, if you have no issue with this, then visit its official website and give it a try.
6. Fortnite Theme
The most demanding theme for Fortnite fans. This theme is based on our favorite battle royale game Fortnite. In this theme pack, you will get around 15 high-quality wallpaper based on Fortnite. Also, this theme will change your installed applications icons. So, we highly recommend you try this out. You can download this theme from the below link.
7. Ubuntu SkinPack
This theme is based on the Ubuntu-based UI that will change your Windows PC to Ubuntu. This theme is very light, and you can use it even if you have a low-power system and offers a left-aligned taskbar along with the Ubuntu icons pack that will totally change your PC’s look.
Unfortunately, this theme won’t work with every Windows program. But, as we know, Windows 11 is yet to be released, and we are sure that the developer of this theme will tweak it according to the new OS. You can check out their website so that whenever they release a theme based on Windows 11, you can grab it first.
So, these were some Windows 11 themes and skins that you can use on your PC. We hope you liked the themes we mentioned in this article. But, in case you need further information related to these skins, feel free to ask us in the comment section.