How can i change the allocated memory to minecraft?(Java)

[atdfbttl15]

Hello guys,

I have an urgent question in my mind: How to change the allocated memory to minecraft? I looked to everywhere to find the answer and i tried all the ways that i found but they didn't work. I really need to change the allocated memory because i want to use a 512x512 texture pack but when i open the texture pack, the game crashed because of the abscense of enough memory.

I will be glad if you can answer me with giving the details. Thanks.

[Wratkie]

You can find out easily on youtube, i tried it before but i got the out of memory error.