Here is how to record and execute macros in vim. Short and simple.

Recording a Macro in Vim

To record a macro press q in command mode and then the letter to which you want to save it. So if you press qa and start recording, your macro would be saved to a. You stop recording by pressing q again in command mode.

Executing a Macro in Vim

To execute the macro you saved to a you would press @a.

If you want to execute the same macro multiple times, you can press . to do so.