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