The initial step to solving the problem is to check that your PC (or) Laptop is the actual source of the problem. The video that seems to buffer too long and websites that take ages to load, may not be your computer's fault.
But if the problem is your PC, check whether you have plenty of free space on the main local or hard disk(i.e like Local Disk :C is the default drive holding OS). Windows needs room to create files while your system is running. If your hard drive is full, the performance of the computer will suffer. Now is the perfect time to clear some space.
Microsoft's System Configuration tool is your best choice to tackle slow performance of PC. Many applications will launch automatically when you boot your system, which can stretch out boot time—especially on older, slower PCs. Make a habit of avoiding the startup items. You can simply open the system Configuration tool by pressing Windows-R, Typing MSConfig, and pressing the "Enter" key.
Checking the Startup Item and Manufacturer columns is the best way to figure out which potential performance-killers you can safely disable. Avoid disabling the programs that have Microsoft Corporation listed as the manufacturer because it can damage your PC when delete them. Items such as AdobeAAMUpdater, Google Update, Pando Media Booster, Spotify, and Steam Client Bootstrapper are all fair game. Regardless, err on the side of caution: If you’re not sure what the program or service does, don’t disable it.
Once "Done", Click "OK" and restart your computer and it should boot up quicker and you can feel faster.
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