Full list of all 75 The Elder Scrolls V: Skyrim achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there are 3 DLC packs containing 25 achievements.
Bounty of 1000 gold in all nine holds
Pick 50 locks and 50 pockets
Reach Level 50
Get a skill to 100
Discover 100 Locations
Capture Fort Sungard or Fort Greenwall
Reach Level 25
Buy a house
Successfully persuade, bribe, and intimidate
Make a smithed item, an enchanted item, and a potion
Reach Level 10
Complete "Revealing the Unseen"
Collect 15 Daedric Artifacts
Join the Companions
Complete "Darkness Returns"
Learn all three words of a shout
Complete "The Way of the Voice"
Complete "The Eye of Magnus"
Returned the Thieves Guild to its former glory
Join the Stormcloaks or the Imperial Army
Join the College of Winterhold
Capture Solitude or Windhelm
Complete 10 side quests
Get married
Complete "Dragonslayer"
Join the Dark Brotherhood
Complete "The Fallen"
Complete "Alduin's Wall"
Complete "Bound Until Death"
Complete "Elder Knowledge"
Become a member of the Circle
Join the Thieves Guild
Complete "Hail Sithis!"
Acquire a Daedric Artifact
Complete "Diplomatic Immunity"
Complete "Glory of the Dead"
Complete 50 Misc Objectives
Chop wood, mine ore, and cook food
Escape from jail
Have 100,000 gold
Absorb a dragon soul
Complete "Bleak Falls Barrow"
Reach Level 5
Select a Standing Stone blessing
Complete "Unbound"
Find 13 Standing Stones
Clear 50 dungeons
Read 50 Skill Books
Absorb 20 dragon souls
Learn 20 shouts
Discover 30 locations on the island of Solstheim
Learn all 3 words of Dragon Aspect
Own a house in Raven Rock
Complete "At the Summit of Apocrypha"
Learn the secrets of 5 Black Books
Arrive on Solstheim
Complete "The Temple of Miraak"
Complete "The Path of Knowledge"
Craft an item out of Stalhrim
Tame and ride 5 dragons
Acquire 11 vampire perks
Defeat a Legendary Dragon
Change your face
Complete "Kindred Judgment"
Complete "Lost to the Ages"
Complete "Awakening"
Complete "Beyond Death"
Learn all three words of Soul Tear
Use the special power of Auriel's Bow
Acquire 11 werewolf perks
Adopt a child
Build three wings on a house
Buy a plot of land
Buy three plots of land
Build three houses