Themes not visible in Unity Tweak Tool

THIS is the theme I'd like to install. What I've done so far:

1. Extracted Dark-Aurora folder from the archive.
2. Copied that folder to ~/usr/share/themes.
3. Created /home/[user-name]/.themes folder and copied Dark-Aurora there too.
4. Opened Unity Tweak Tool, clicked on Theme.
5. Only the three default themes (Ambiance, Highcontrast and Radiance) are there). Dark-aurora is nowhere to be found.

So what am I doing wrong? Thanks in advance.

Solution 1:

After extracting the archive, you'll find Aurora and Dark Aurora folders there. You have to put them in either ~/.local/share/themes or /usr/share/themes directory.

However, I saw that they don't appear in Unity Tweak Tool. The solution is using Gnome Tweak Tool to set the theme.

To install it -

sudo apt install gnome-tweak-tool

Open and set the theme from Appearance Section.

Update after further information It appeared OP's .local folder was owned by root. To get the ownership use sudo chown -r your-user-name ~/.local before copying the theme folder. Then use cp without using sudo.