I saw the minimum system requirements for Paint.Net and was shocked by this.
Windows 7 SP1 or newer (Windows 10 recommended)
CPU: 1GHz processor (dual-core recommended)
I compared the system requirements of Paint.Net with the system requirements of the operating system Windows XP Professional.
CPU: Pentium 233 MHz (Pentium 300 MHz recommended)
RAM: 64 MB (128 MB recommended)