A slow Windows 11 laptop is one of the most common tech frustrations, and most people assume the only cure is a full reinstall. In most cases it is not. The majority of slowdowns come from too many startup programs, full storage, background apps, or a power mode that throttles performance - and every one of those is fixable with tools already inside Windows.

Start with startup apps. Press Ctrl+Shift+Esc to open Task Manager, switch to the Startup tab, and disable programs you do not need the moment you log in. Chat apps, game launchers, cloud backup tools, and updater utilities are frequent offenders. Fewer startup entries means a faster boot and more free memory for the things you actually do.

Next, clear out the junk. Open Settings, go to System, then Storage, and let the Temporary files scan run. You can safely remove delivery optimization files, temporary files, and the contents of the Recycle Bin. Turn on Storage Sense so Windows keeps cleaning up automatically, and keep at least a comfortable margin of free space - a nearly full drive slows everything down.

Check your power mode next. On laptops, go to Settings, System, then Power and battery, and set Power mode to Best performance while plugged in. Many laptops ship in a balanced or battery-saver mode that quietly limits the processor, which makes even a capable machine feel sluggish for no good reason.

Then look at what is running. In Settings, Apps, Startup, you can see which apps launch in the background, and in Task Manager you can sort by CPU, memory, and disk to spot a process stuck at high usage. Install pending Windows updates, including optional driver updates, and let your antivirus finish its background scan before judging performance - a scan in progress will make any machine feel slow.

If the machine is still slow after cleanup, check the hardware. A laptop still running Windows from a spinning hard drive will transform with an SSD upgrade, and adding RAM helps if you are constantly near full memory usage. Once your machine is back to full speed, it is also a good time to tighten your security: passkeys protect your accounts better than passwords, setting one up on your Google account takes minutes, and small AI automation workflows can offload the repetitive tasks that slow you down too.