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