1. First up, in the game, you need to hit the
` key to bring up the console, or the specific key that you assigned this action to.
2. Then you need to find out what quests you have active, which can easily be done by typing
‘ShowQuestTargets’ and hitting Enter. In case you have many active quests, however, it won’t really be much help, as there are only so many lines the console can show and you can’t scroll its contents. If you know the name of the quest, you can easily look it up on
The Unofficial Elder Scrolls Pages Wiki, which has a full list of the quests in the game, complete with their ID.
3. After finding out what quest you want to progress, you need to enter the
‘Player.sqs’ command, followed by a space and the quest id (final command should look like
Player.sqs <quest id>). This shows all the stages that are part of this quest, followed by a 1, if you already did it, or a 0, if you didn’t reach it. Bear in mind, however, that there are blank stages, so you might once again want to check out the UESP Wiki to see the actual stages and what they mean.
4. Last but not least, you need to introduce the
‘SetStage’ command, followed by the quest id and the stage number (it should look like
SetStage <quest id> <stage number>). This will automatically progress through the quest to that intended stage, giving you new objectives and, hopefully, fixing the quest.
As a concrete example, say you're stuck on the Dragon Rising quest at the beginning of the game, when the Jarl of Whiterun tells you to investigate a dragon sighting. You need to meet up with Irileth and her guards outside of the town and check out the report.
In case she doesn't spawn at that location and you know that the quest id is MQ104, and that the stage in which Irileth should appear is 15, you just need to enter
SetStage MQ104 15. This will automatically get you to the next stage, in which you need to kill the dragon.
Bear in mind that, while this guide may work without a problem, you should always be cautious and do a hard save before attempting to use the Skyrim console.
And the skill has greatly improved this far - at level 78 now. I do not want to switch to the single-handed weaponry now. I also happened to use the staff that Master Necromancer (in my previous post!) had used against me - it was way too good. Skeletons and other lesser minions broke into pieces from a single strike!
As to why I bought it, lets say I invested a small amount for Elders Scrolls VI 
