1st.place is very important,keep ur pc at a place which is nt so hot.
2nd.Do instaill anti-virus,it doesnt matters u have internet or not but virus can attack ur pc directly or indirectly.
3rd.If u use 3rd party application 4 chatting or 4 any other do clear the cache.
4th.If possible keep resolution of ur screen at small level,it will increase its life.
If u have any other tip do reply....
2nd.Do instaill anti-virus,it doesnt matters u have internet or not but virus can attack ur pc directly or indirectly.
3rd.If u use 3rd party application 4 chatting or 4 any other do clear the cache.
4th.If possible keep resolution of ur screen at small level,it will increase its life.
If u have any other tip do reply....