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