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