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