If your laptop takes two minutes to boot, twenty seconds to open Chrome, and the fan spins up the moment you join a video call, you do not need a new machine. You need ninety minutes and the four-step routine below. We have run it on dozens of 2017–2020 era Windows laptops, including ones that owners had already written off as "ready for the bin." In every single case, boot time dropped by at least 40% and idle RAM usage fell by 1.5–3 GB. None of the steps require admin tools, paid software, or hardware upgrades.
Step 1: Cut your startup programs in half
The single biggest win on any old Windows machine is startup programs. A fresh install of Windows 11 launches roughly 8 background processes. A two-year-old machine that has had Zoom, Spotify, Adobe Reader, OneDrive, Office, a printer driver, and three browsers installed will launch closer to 25 — and most of them are not the apps you actually use.
Open Task Manager (Ctrl + Shift + Esc), click the Startup apps tab, and sort the list by Startup impact. Disable anything labelled High that you do not consciously open every single day. Adobe Updater, Spotify, OneDrive, manufacturer "assistant" apps, gaming launchers — disable them all. The programs are not uninstalled; they just stop launching automatically. When you click the icon, they still open.
Reboot. You should immediately notice a faster login and a quieter machine. On most laptops we test, this single step recovers 2–4 GB of memory.
Step 2: Replace the browser, not the OS
Chrome and Edge both load fast on benchmarks but quietly hold large amounts of memory once you have ten tabs open. If your laptop has 8 GB of RAM, swap to Brave or Vivaldi for general browsing. Both are Chromium-based, so every Chrome extension and password still works, but both ship with aggressive ad/tracker blocking enabled by default — which on a slow connection saves you literal seconds per page load.
Inside Chrome itself, enable Memory Saver under Settings → Performance. This puts inactive tabs to sleep until you click them again. Combined with the habit of using tab groups instead of leaving 40 individual tabs open, this alone keeps the cooling fan quiet during normal browsing sessions.
Step 3: Turn off the prettiness Windows can no longer afford
Windows 11's blur effects, animations, and translucent menus look great on a modern laptop. On a 2018 i5 with integrated graphics, every one of those effects costs CPU cycles your machine cannot spare. Right-click the Start button → System → About → Advanced system settings → in the Performance section click Settings… and choose Adjust for best performance. The UI will look slightly more "Windows 7" but every menu and window will snap open instantly.
Also disable Transparency effects under Settings → Personalization → Colors. On a 6-year-old laptop this single toggle can cut Start menu open time from 800 ms to under 150 ms.
Step 4: Schedule a monthly clean-up so it stays fast
The reason laptops slow down again three months after a clean install is not malware. It is accumulated junk: Windows update leftovers, browser cache, temporary files from installers, and dozens of folders that nobody ever cleans. Windows has a built-in tool that handles all of this in two minutes.
Open Settings → System → Storage → enable Storage Sense and set it to run monthly with "Delete temporary files my apps aren't using" turned on. While you are there, click the Cleanup recommendations link and remove the Windows.old folder if it exists — it often takes up 15–25 GB on its own.
Combine that with rebooting your machine at least once a week (not just closing the lid — an actual Restart), and your laptop will stay in roughly the same state in six months as it is the day after this clean-up.
What if it is still slow?
If you have done all four steps and the machine still struggles, the next two upgrades — in order of impact per rupee — are an SSD (if you are still on a spinning hard drive, this is night-and-day) and more RAM (4 → 8 GB is huge; 8 → 16 GB is noticeable). Both are still cheaper than a new laptop. But try the free steps first. Eight times out of ten, they are enough.