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