Sometimes it may be needed to change the operating system to ubuntu to add support for different applications or reinstall the same operating system when you make a mistake.

1) Log in to the VPS control panel It may be needed to log in through the billing panel which you can select by

1c019e0bf5fe7735258ea550efffafa9d932dfec3326b95407ef28883307faea294291a48eda2621?t=bf9bf23d3afce23c2a0ba04a7e4f1539

Then clicking on this button

b751273cc816ffc4fbbda1171bd8b609ac0e29101eec320986fd239b9db313296fc0f8519e40e423?t=5388ca4689bc591461924dcde42ee040

Then selecting Account Password, then typing in your choice then you can either continue from there or from https://vps.plox.host 
1e4e91546e2ca6c5c1a4198fb347a2776ef0bad6d7dfa7e78dc39c450308b14725b281c31b80874e?t=9dd3cc5ebd9b517d8429c86fa49f4210

2) Select List VPS, click the side arrow to access it.

a9ee9c640d9b739ee616a7f430175d710d02b4f1b34b654f68c1fffc0b3f00a1c1ffdae7a80f8721?t=d1d5e4f963d924c1dabe1c069e937fd4


3) You will see something like this below, Select Install

a6b31a01d600e681c0566fd7478089f7f9646d4ff237248288b79ddbc26ec52ec5f57d088dd01a4f?t=b9d441449e82fde91cdfcebf7aefbe82

4) You will now See the Reinstall OS button, I will be installing Centos 7 but you might want to install Debian or Ubuntu.
c833ed7f40628c24e6c2e148c9fa30634491a516f6eb641b87ac7f25eef337121d92e9436be4bf43?t=06abed91985106d64ac77d63adeb5bd3

5) Now type in the new password, if you are reinstalling you might want to input the same passwords for ease of use with MobaXterm but this will be used to connect to it using SSH.
90814106bf9741262d17ac8b13889d072fd99b665423eeafbe60f775d21b43b4deeccec89dab86a9?t=47df99a1bdc848151faf1497485efc07

6) Click Reinstall and you will be prompted with

bf3c3ed4d1a52d4d9ab2e365420875a8d238534ba5581a3276337b9cb5ba5324451408a5573764e0?t=7a41548f7a3e9aba4940435229d639b3

7) Make sure you backed up any of your data and click Ok.
1915712fcfc7a61365a96f82d97695cc5c8d053894f177b8c5449fadce0a3b642f0e3e47905611c5?t=87416f00cbbbcb3c772dbc424140a98f

This may take some time depending on the image/iso selected.