Aslamullakum friends

mare pas pentium 4 ka pc hai 2.8 simple processior 768 mb ram 865 motherboard

ka pc hai or jab main windows 8 install karta hu to starting main he error aa jata hai:>your pc needs to shud download agay bhe kuch likha hota hai or maine computer shoops wale ko call ke thi wo keh raha tha k aap apna pc change karwa lo 965 wala board laga lo
or main chahta hu k main apna pc change ka karwon koi aise chez hai jis se windows install ho jaye example processior change ram change ya koi or cheez change karwon main chahta hu k main apna pc change ka karwon

or mujhe ye bhe bata dain k ye error kis liye aata hai maslam board ke waja se ram ke waja se ya simple processior ke waja se
plz help me