Clickthe three vertical dots in the upper right corver of Google Chrome (Settings)＞More tools＞Clear browsing data＞Time range＞
All time（important）＞
Put a check mark Browsing history & Download history & Cookies and other site data＞Clear data
The reason why this cache clear(Clear browsing data) is so effective when
the PC operation is slow is that
When you access a website, depending on the website,
some information may be stored on your computer (It’s called cookie),
and if you use your computer for a long time,
a huge amount of information will be stored on your computer.
By deleting such data,
your browser data will be clean and your computer will run smoothly.