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