- You must either:
- Own a copy of Minecraft: Java Edition
- Know how to set up a cracked Minecraft: Java Edition client (such as this one)
- Download and install Prism
- download the zip file I gave you
- open Prism
- in the top left, click "Add Instance"
- click the "Import" tab
- click "Browse"
- select the downloaded zip file
- click "OK"
- open Prism
- click on the imported Minecraft instance
- close heavy programs that are running while you're playing
- browser with lots of tabs
- other games
- art software
- text editors for programming
- etc
- check your memory allocation
- check how much RAM your computer has
- press Windows Key + E to open Windows Explorer
- right-click on "This PC" on the left column
- click "Properties" from the dropdown menu
- look for "Installed RAM" under "Device specifications"
- set maximum RAM usage to that amount
- open prism
- right click on the Minecraft instance
- click "Edit..." from the dropdown menu
- click "Settings" on the left side
- under "Memory" change "Maximum memory allocation" to ~2GB less than your machine's RAM
- do not increase this value, only reduce it
- check how much RAM your computer has