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