Dual boot setup allows using Ubuntu and Windows 10 on PCs. GRUB is Ubuntu's bootloader managing installed operating systems. Windows 10's default settings aren't optimal for dual boot
Windows has the largest PC market share and supports most popular apps. Windows gaming is better supported than Linux. Windows is more convenient for collaborative work. Linux can run on Windows through WSL
Both versions share many common features. Windows 10 Home and Pro are most commonly used operating systems
Boot from Ubuntu live installation media to shrink existing partition. Install Gparted to create Windows partition with minimum 20GB (Windows 10) or 64GB (Windows 11)
Windows was introduced in 1985 as a graphical shell for MS-DOS. Windows 3.0 achieved commercial success in 1990, selling 2 million copies. Windows NT 3.1 launched in 1993 as business-focused operating system. Windows 11 was released as free upgrade on October 5, 2021
Operating system manages computer memory and processes between hardware and software. Functions include boot, memory management, security, and process control