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