Personal installment loan is a short term loan of between $50 and $1500 that you pay back in installments over time.
You fill out a simple application, get approved, sign some forms, and see the money deposited into your checking account. On your paydays, your account is debited for the amount you owe until the loan is paid off.
You need to be employed and have an active checking account.
No, the 3 major, traditional credit bureaus are not usually used in the application process.