Upgrade Older version of ERPNext 4.0.1 to ERPNext10X

Dear All,

we are on older version of erpnext 4.0.1.

we are looking for up-gradation of older ERPnext 4.0.1 to newer version of ERPnext.

So is there any Way/ Process /Third party services/ERPNext Partners which provides us such migration service.

You can post a job on https://erpnext.org/my-jobs if you wish to have it done via a dedicated team.

Dear ALL,

Right now not looking for the third party services so wants to know how to migrate ERPNext 4.0.1 to newer version of erpnext.
so what is the process and guidelines.