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