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