Why are Windows Update so slow?

Windows Update components might be broken.

A slow internet connection or a cluttered hard drive are not the only potential problems to do with Windows Update.

Because Windows Update is its own little program, components within can break and throw the entire process off of its natural course.

How do I make Windows 10 update faster?

If you want to allow Windows 10 to use the total bandwidth available on your device to download Insider preview builds faster, follow these steps:

• Open Settings.
• Click on Update & Security.
• Click the Advanced options link.
• Click the Delivery Optimization link.
• Turn on the Allow downloads from other PCs toggle switch.