# How To's

- [How to upload a Contract file](https://support.paystand.com/hc/en-us/articles/14667139263515-How-to-upload-a-Contract-file)
- [How to filter payables](https://support.paystand.com/hc/en-us/articles/13656953421979-How-to-filter-payables)
- [How to select a vendor](https://support.paystand.com/hc/en-us/articles/13656252718363-How-to-select-a-vendor)
- [How to download a transaction history CSV file](https://support.paystand.com/hc/en-us/articles/13655902423963-How-to-download-a-transaction-history-CSV-file)
- [Locate payment details of an invoice](https://support.paystand.com/hc/en-us/articles/13653115218843-Locate-payment-details-of-an-invoice)
- [How to pay an invoice from Payer Portal](https://support.paystand.com/hc/en-us/articles/13652938735003-How-to-pay-an-invoice-from-Payer-Portal)
- [How to download a PDF invoice](https://support.paystand.com/hc/en-us/articles/13652685410971-How-to-download-a-PDF-invoice)