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