The answer to 'how to clean vacuum yourself' is to regularly maintain and clean your vacuum cleaner to keep it running efficiently. This involves emptying the dust canister or bag, cleaning the filters, and inspecting the brushes and hoses for any clogs or damage.
Start by unplugging the vacuum and removing the dust canister or bag. Empty it completely and rinse the canister with warm water if it's reusable. Replace disposable bags when they are 3/4 full. Next, remove and clean the filters according to the manufacturer's instructions, usually by rinsing them with water and allowing them to fully dry before reinstalling.