It seems reality hitting you in the face—someone told you that Windows 10 is fit and ready for your old computer, but when you install Windows 10, the old machine works crankier than ever. The truth is, even with the newest hardware, Windows 10 could still get slow performance, on some occasion. We advise you follow the small guide to fix the slow old computer with Windows 10. To be noticeable, you cannot expect it to run as a brand new computer, and if your device is still running extremely slow, you can consider downgrade or buy a new one.

How to fix old computer with Windows 10 slow performance

Step 1 Adjust Virtual Memory first

Lacking enough memory is a universal feature of old devices. Managing virtual memory can not only improve performance but also prevents program crashes when all RAM is in use.

->Open Start menu and type appearance and performance in, select the first option ”Adjust appearance and performance”.

->A window pop out and select Advance tab, click change.

->Uncheck “Automatically……” and click the drive system is installed on select custom size.

->Set initial and maximum size to the value recommended by windows.

Step 2 Use Disk Cleanup

Freeing up disk space on your computer will definitely help your computer run faster. The Disk Cleanup is a tool in Windows that removes temp files, cleans your recycle bin and other useless system files that you may no longer need. To use the disk cleanup tool in Windows:

->Open Start menu, type Disk Cleanup in the Search Box, and click on Disk Cleanup.

->Click on the hard drive that you want to clean up.

->On the Disk Cleanup Tab, click the check boxes for all of the files that you want to remove, click Ok.

Step 3 Run Disk Defragment

Defragging fragments on the hard disk could reduce the activity and loading time to access the files and programs.

->Open Start menu, type Disk Defragmenter in the Search Box, and click on Disk Defragmenter.

->Select the Hard Drive on your computer that you would like to Defragment.

->Click Optimize.

Step 4 Avoid Bloatware

Bloatware comes in different forms, like Adobe Reader. They are harmless, though; they can slow down your system and take up space on your hard drive.

->Go to Control Panel and find Programs and Features, scroll down the list to uninstall the unnecessary software.

Step 5 Perform Regular Maintenance

If you find that its ailment is just old age, keep doing regular maintenance. Using Neptune SystemCare Ultimate, the PC optimization tuneup utility, for you 10-year-old machine won’t make it run super-fast, but it will make sure that it's running in tip top shape all the time.

Everyday PC Checkup with one click and other features on weekly regular basis can speed up your old computer with Windows 10, but also make it last longer.

After tweaking your old computer like this, the Windows 10 still slow, then you can try to reinstall it.