What is Cheat Engine? Cheat Engine is a game support tool, help cheat game, change game parameters or increase certain stats in the game. Cheat Engine can interfere with game memory to change game parameters. A special feature is that Cheat Engine can support some online games without affecting the performance of the computer system.
Install Cheat Engine to cheat game
Step 1:
Download Cheat Engine to your computer and install.

Step 2:
Download the game you want to use Cheat Engine. In the example below, the game we downloaded is Plants vs.. Zombies.

Step 3:
Proceed to open the game and Cheat Engine.

Step 4:
Click the open processes icon in the top left corner of the Cheat Engine window.

Step 5:
On the process list, click on the option "PlantsVsZombies.exe", then click Open.

Step 6:
Choose the value you want to change. Suppose when opening a new level in game Plants vs.. Zombies, you will see 25 sunflowers.

Step 7:
Enter the new value in Cheat Engine, for example you can enter 25 into the Hex frame, then click First Scan. Now you will see lots of Address and Value data in the table in the left pane.

Step 8:
Look at the changing values in the game. For example, when you harvest sunflowers in Plants vs. Plants. Zombies, your energy will be 100.

Use Cheat Engine manually
Step 1:
Enter the value in the Value frame. On Cheat Engine if you enter 100 in the Value box, then click Next Scan, you will now see 1 address and 1 value in the table in the left pane.

Step 2:
Double click on the value. In the above example, the value is 100. When you double-click on the value, you will see the "Add Address Manually" option. Double click on 100 in the Add Address Manually table.

Step 3:

Change value (value). On the Change Value window, change the value to 100 to 99999999, then click OK.

Double click on the new value on the Plants vs. game game. Zombies, and you will have 9999999 sunflowers.