Go to the Inventory page and select the '+Add New Inventory' button.

Input the information needed:
- Description: input the description of the inventory details of the asset.
- Inventory Name: input the inventory name of the asset.
- Price for Add Stock: input the price for adding stock to the asset.
- Inventory Category: input the inventory category of the asset.
- Price for Remove Stock: input the price for the removed stock of the asset.
- Supplier: input the supplier of the asset.
- Product Model Number: input the product model number of the asset.
- Initial Stock Quantity: input the initial stock quantity of the asset.
- Location: input the location of the asset.
- Low Stock Threshold: input the low stock threshold of the asset.
- Inventory Identification Number: input the inventory identification number of the asset.
- Inventory Files: input either the Image, Invoice or Other Files of the asset.

Then, click Add to save the details of the inventory.