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