Update README.md

README.md

@@ -1,16 +1,46 @@
-# CrossCode GRUB2 theme
+# Crossgrub
+[CrossCode](https://cross-code.com) themed GRUB2 theme
 
-Based on [minegrub](https://github.com/Lxtharia/minegrub-theme)
+![Screenshot of the theme (1080p)](https://github.com/user-attachments/assets/694a1b87-44b6-439b-8447-330c3477534f)
 
-# 1080p
+## Installation
 
-![Screenshot of the theme](https://github.com/user-attachments/assets/694a1b87-44b6-439b-8447-330c3477534f)
+- Clone the repository
+```bash
+git clone https://github.com/krypciak/crossgrub
+```
 
-![Screenshot of the theme's terminal](https://github.com/user-attachments/assets/d1c812a4-f472-4c30-8aed-ffcc625cce0b)
+- Run the installation script as root
+```bash
+sudo bash ./install.sh
+```
 
-# 1440p
+- Change/add this line in your `/etc/default/grub`:
+```
+GRUB_THEME=/boot/grub/themes/crossgrub/theme.txt
+```
 
-![Screenshot of the theme](https://github.com/user-attachments/assets/578c92d9-d3e1-48fb-bfe9-f539b48f7493)
+- Update your live grub config by running
+```
+sudo grub-mkconfig -o /boot/grub/grub.cfg
+```
+
+- Done!
+
+- If you want, you can preview the theme using `grub2-theme-preview` (you need to install it first):
+```
+grub2-theme-preview /boot/grub/themes/crossgrub --resolution 1920x1080
+```
+
+
+## Screenshots
+
+![Screenshot of the theme's terminal (1080p)](https://github.com/user-attachments/assets/d1c812a4-f472-4c30-8aed-ffcc625cce0b)
+
+### 1440p
+
+![Screenshot of the theme (1440p)](https://github.com/user-attachments/assets/578c92d9-d3e1-48fb-bfe9-f539b48f7493)
+
+![Screenshot of the theme's terminal (1440p)](https://github.com/user-attachments/assets/e56fca7c-75b0-492e-b754-ded4487cc34f)
 
-![Screenshot of the theme's terminal](https://github.com/user-attachments/assets/e56fca7c-75b0-492e-b754-ded4487cc34f)