ComputerDok – Computer Tips, Windows Guides, & Tech Tutorials

Last updated: August 12, 2026 A slow Windows PC can make simple tasks frustrating. Programs may take longer to open, websites can load slowly, and Windows may take several minutes to start. Common causes include low free storage, too many startup apps, malware, insufficient RAM, overheating, an aging hard drive, or software problems. This guide shows you how to speed up a slow Windows PC with 15 practical fixes. Start with the easiest software-based solutions and work toward hardware upgrades if needed. Important: Windows 10 reached the end of regular support on October 14, 2025. If you still use Windows 10, consider upgrading to Windows 11 when your hardware supports it. Windows 10 PCs can continue to work, but regular security support has ended for standard editions. Quick Answer: How to Speed Up a Slow PC If you only have a few minutes, start with these steps: Check Task Manager to find what is using your CPU, memory, or disk. Free up storage space with Storage Sense or...