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