Creating notes on your computer is crucial. While Sticky Notes comes pre-installed with Windows, its limited features might not suffice. You can explore various free note-taking software options to better suit your needs.

Here are the top 3 best free note-taking software for your computer.
1. PNotes.
PNotes is a free software that makes it easy for you to create and manage notes on your computer.

PNotes is a simple-to-install software where you can customize fonts, styles, and colors for each note. It also allows you to display on-screen with customizable interfaces and provides reminder features with sound alerts. You can set reminders based on specific dates.
You can download the software at: http://pnotes.sourceforge.net/index.php?page=5
The interface of PNotes note-taking software:

2. Simple Sticky Notes.
Also a free note-taking software, Simple Sticky Notes is quite useful for creating notes on your computer screen.

The software can start with your system, making note creation and saving easy. It offers a variety of interface colors for you to choose from, allowing you to adjust size and customize fonts, colors, alignments, line spacing, and styles without limitations.
You can download Simple Sticky Notes at: http://www.simplestickynotes.com/.
Interface of Simple Sticky Notes:

3. 7 Sticky Notes.
Another free note-taking software for your computer is 7 Sticky Notes, which you should be aware of.

You can organize your tasks and reminders using 7 Sticky Notes. The software is easy to install and use, offering numerous options for creating standout notes. It automatically updates the time on the note title when you add a new note and provides various features accessible by right-clicking on the note. Continuous updates bring new features in each version.
You can download 7 Sticky Notes at: http://www.7stickynotes.com/download.php.
Interface of 7 Sticky Notes:

You can choose the most convenient note-taking software for yourself, enabling you to create suitable and convenient notes. Wishing you success!