help me to making Purchases Requisition and Purchase Order in SAP. Today I bought server access but I am unable to make PR and PO

Creating a Purchase Requisition (PR) in SAP

1. On the SAP Easy Access screen, enter transaction code ME51N and press Enter.

2. In the Purchase Requisition screen, enter the necessary details such as Document Type, Material, Quantity, Plant, etc.

3. Click on the check mark button to check for any errors.

4. If there are no errors, click the Save button to save the purchase requisition. A message will appear at the bottom of the screen with the PR number.

Creating a Purchase Order (PO) in SAP

1. On the SAP Easy Access screen, enter transaction code ME21N and press Enter.

2. In the Purchase Order screen, enter the necessary details such as Document Type, Vendor, Purchasing Organization, Purchasing Group, etc.

3. In the item overview section, enter the Material, Quantity, Plant, etc.

4. Click on the check mark button to check for any errors.

5. If there are no errors, click the Save button to save the purchase order. A message will appear at the bottom of the screen with the PO number.