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