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